1145151450 has 144 divisors (see below), whose sum is σ = 3290414400. Its totient is φ = 284520960.

The previous prime is 1145151431. The next prime is 1145151461. The reversal of 1145151450 is 541515411.

1145151450 is a `hidden beast` number, since 1 + 1 + 4 + 515 + 145 + 0 = 666.

It is a super-2 number, since 2×1145151450² = 2622743686874205000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 817851 + ... + 819249.

It is an arithmetic number, because the mean of its divisors is an integer number (22850100).

Almost surely, 2^1145151450 is an apocalyptic number.

1145151450 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 1145151450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1645207200).

1145151450 is an abundant number, since it is smaller than the sum of its proper divisors (2145262950).

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

1145151450 is a wasteful number, since it uses less digits than its factorization.

1145151450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541 (or 1533 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 1145151450 is about 33840.0864360598. The cubic root of 1145151450 is about 1046.2150804325.

Adding to 1145151450 its reverse (541515411), we get a palindrome (1686666861).

The spelling of 1145151450 in words is "one billion, one hundred forty-five million, one hundred fifty-one thousand, four hundred fifty".