1156457552 has 20 divisors (see below), whose sum is σ = 2256995796. Its totient is φ = 574007040.

The previous prime is 1156457531. The next prime is 1156457569. The reversal of 1156457552 is 2557546511.

It can be written as a sum of positive squares in 2 ways, for example, as 530657296 + 625800256 = 23036^2 + 25016^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261599 + ... + 265982.

Almost surely, 2^1156457552 is an apocalyptic number.

It is an amenable number.

1156457552 is a deficient number, since it is larger than the sum of its proper divisors (1100538244).

1156457552 is a wasteful number, since it uses less digits than its factorization.

1156457552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527726 (or 527720 counting only the distinct ones).

The product of its digits is 210000, while the sum is 41.

The square root of 1156457552 is about 34006.7280401982. The cubic root of 1156457552 is about 1049.6469113616.

The spelling of 1156457552 in words is "one billion, one hundred fifty-six million, four hundred fifty-seven thousand, five hundred fifty-two".