45115057 has 6 divisors (see below), whose sum is σ = 48852582. Its totient is φ = 41644512.

The previous prime is 45115043. The next prime is 45115067. The reversal of 45115057 is 75051154.

It can be written as a sum of positive squares in 3 ways, for example, as 3111696 + 42003361 = 1764^2 + 6481^2 .

It is a de Polignac number, because none of the positive numbers 2^k-45115057 is a prime.

It is a super-2 number, since 2×45115057² = 4070736736226498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45115067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133308 + ... + 133645.

It is an arithmetic number, because the mean of its divisors is an integer number (8142097).

Almost surely, 2^45115057 is an apocalyptic number.

It is an amenable number.

45115057 is a deficient number, since it is larger than the sum of its proper divisors (3737525).

45115057 is a wasteful number, since it uses less digits than its factorization.

45115057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266979 (or 266966 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 45115057 is about 6716.7743002129. The cubic root of 45115057 is about 355.9922172477.

The spelling of 45115057 in words is "forty-five million, one hundred fifteen thousand, fifty-seven".