1157154952 has 16 divisors (see below), whose sum is σ = 2170094940. Its totient is φ = 578462976.

The previous prime is 1157154919. The next prime is 1157154953. The reversal of 1157154952 is 2594517511.

It can be written as a sum of positive squares in 2 ways, for example, as 1100514276 + 56640676 = 33174^2 + 7526^2 .

It is not an unprimeable number, because it can be changed into a prime (1157154953) 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, 41388 + ... + 63460.

Almost surely, 2^1157154952 is an apocalyptic number.

It is an amenable number.

1157154952 is a deficient number, since it is larger than the sum of its proper divisors (1012939988).

1157154952 is a wasteful number, since it uses less digits than its factorization.

1157154952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28632 (or 28628 counting only the distinct ones).

The product of its digits is 63000, while the sum is 40.

The square root of 1157154952 is about 34016.9803480556. The cubic root of 1157154952 is about 1049.8578649631.

The spelling of 1157154952 in words is "one billion, one hundred fifty-seven million, one hundred fifty-four thousand, nine hundred fifty-two".