1157042152 has 32 divisors (see below), whose sum is σ = 2526163200. Its totient is φ = 486517824.

The previous prime is 1157042147. The next prime is 1157042153. The reversal of 1157042152 is 2512407511.

It is a super-2 number, since 2×1157042152² = 2677493083009582208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1157042152.

It is not an unprimeable number, because it can be changed into a prime (1157042153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191952 + ... + 197887.

It is an arithmetic number, because the mean of its divisors is an integer number (78942600).

Almost surely, 2^1157042152 is an apocalyptic number.

It is an amenable number.

1157042152 is an abundant number, since it is smaller than the sum of its proper divisors (1369121048).

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

1157042152 is a wasteful number, since it uses less digits than its factorization.

1157042152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389905 (or 389901 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 1157042152 is about 34015.3223121581. The cubic root of 1157042152 is about 1049.8237503111.

Adding to 1157042152 its reverse (2512407511), we get a palindrome (3669449663).

The spelling of 1157042152 in words is "one billion, one hundred fifty-seven million, forty-two thousand, one hundred fifty-two".