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1145411454 = 231123839091
BaseRepresentation
bin100010001000101…
…1001011101111110
32221211021221010110
41010101121131332
54321211131304
6305354050450
740245556665
oct10421313576
92854257113
101145411454
11538611640
1227b719a26
131533c0675
14ac19dddc
156a856289
hex4445977e

1145411454 has 64 divisors (see below), whose sum is σ = 2639443968. Its totient is φ = 327967200.

The previous prime is 1145411437. The next prime is 1145411471. The reversal of 1145411454 is 4541145411.

It is an interprime number because it is at equal distance from previous prime (1145411437) and next prime (1145411471).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121449 + ... + 130539.

It is an arithmetic number, because the mean of its divisors is an integer number (41241312).

Almost surely, 21145411454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145411454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1319721984).

1145411454 is an abundant number, since it is smaller than the sum of its proper divisors (1494032514).

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

1145411454 is a wasteful number, since it uses less digits than its factorization.

1145411454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9213.

The product of its digits is 6400, while the sum is 30.

The square root of 1145411454 is about 33843.9278748788. The cubic root of 1145411454 is about 1046.2942546824.

Adding to 1145411454 its reverse (4541145411), we get a palindrome (5686556865).

It can be divided in two parts, 11 and 45411454, that multiplied together give a palindrome (499525994).

The spelling of 1145411454 in words is "one billion, one hundred forty-five million, four hundred eleven thousand, four hundred fifty-four".

Divisors: 1 2 3 6 11 22 23 33 46 66 69 83 138 166 249 253 498 506 759 913 1518 1826 1909 2739 3818 5478 5727 9091 11454 18182 20999 27273 41998 54546 62997 100001 125994 200002 209093 300003 418186 600006 627279 754553 1254558 1509106 2263659 2300023 4527318 4600046 6900069 8300083 13800138 16600166 17354719 24900249 34709438 49800498 52064157 104128314 190901909 381803818 572705727 1145411454