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1145451450 = 2352111353401
BaseRepresentation
bin100010001000110…
…0011001110111010
32221211100221222210
41010101203032322
54321213421300
6305354555550
740246114413
oct10421431672
92854327883
101145451450
115386396a0
1227b738bb6
13153405930
14ac1b080a
156a863050
hex444633ba

1145451450 has 96 divisors (see below), whose sum is σ = 3337411392. Its totient is φ = 256320000.

The previous prime is 1145451431. The next prime is 1145451467. The reversal of 1145451450 is 541545411.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5251 + ... + 48150.

It is an arithmetic number, because the mean of its divisors is an integer number (34764702).

Almost surely, 21145451450 is an apocalyptic number.

1145451450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145451450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1668705696).

1145451450 is an abundant number, since it is smaller than the sum of its proper divisors (2191959942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145451450 is a wasteful number, since it uses less digits than its factorization.

1145451450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53440 (or 53435 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 1145451450 is about 33844.5187585819. The cubic root of 1145451450 is about 1046.3064328674.

Adding to 1145451450 its reverse (541545411), we get a palindrome (1686996861).

The spelling of 1145451450 in words is "one billion, one hundred forty-five million, four hundred fifty-one thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 11 13 15 22 25 26 30 33 39 50 55 65 66 75 78 110 130 143 150 165 195 275 286 325 330 390 429 550 650 715 825 858 975 1430 1650 1950 2145 3575 4290 7150 10725 21450 53401 106802 160203 267005 320406 534010 587411 694213 801015 1174822 1335025 1388426 1602030 1762233 2082639 2670050 2937055 3471065 3524466 4005075 4165278 5874110 6942130 7636343 8010150 8811165 10413195 14685275 15272686 17355325 17622330 20826390 22909029 29370550 34710650 38181715 44055825 45818058 52065975 76363430 88111650 104131950 114545145 190908575 229090290 381817150 572725725 1145451450