1157645032 has 16 divisors (see below), whose sum is σ = 2192076900. Its totient is φ = 573091200.

The previous prime is 1157645029. The next prime is 1157645033. The reversal of 1157645032 is 2305467511.

It can be written as a sum of positive squares in 2 ways, for example, as 973065636 + 184579396 = 31194^2 + 13586^2 .

It is a super-2 number, since 2×1157645032² = 2680284040228562048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1157645033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715557 + ... + 717172.

Almost surely, 2^1157645032 is an apocalyptic number.

It is an amenable number.

1157645032 is a deficient number, since it is larger than the sum of its proper divisors (1034431868).

1157645032 is a wasteful number, since it uses less digits than its factorization.

1157645032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432836 (or 1432832 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 1157645032 is about 34024.1830467684. The cubic root of 1157645032 is about 1050.0060565032.

The spelling of 1157645032 in words is "one billion, one hundred fifty-seven million, six hundred forty-five thousand, thirty-two".