1157645552 has 20 divisors (see below), whose sum is σ = 2563358256. Its totient is φ = 496133760.

The previous prime is 1157645551. The next prime is 1157645597. The reversal of 1157645552 is 2555467511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157645551) 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, 5167949 + ... + 5168172.

Almost surely, 2^1157645552 is an apocalyptic number.

It is an amenable number.

1157645552 is an abundant number, since it is smaller than the sum of its proper divisors (1405712704).

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

1157645552 is a wasteful number, since it uses less digits than its factorization.

1157645552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10336136 (or 10336130 counting only the distinct ones).

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

The square root of 1157645552 is about 34024.1906883911. The cubic root of 1157645552 is about 1050.0062137198.

The spelling of 1157645552 in words is "one billion, one hundred fifty-seven million, six hundred forty-five thousand, five hundred fifty-two".