45988857 has 8 divisors (see below), whose sum is σ = 68131680. Its totient is φ = 30659220.

The previous prime is 45988849. The next prime is 45988861. The reversal of 45988857 is 75888954.

It is not a de Polignac number, because 45988857 - 2³ = 45988849 is a prime.

It is a super-2 number, since 2×45988857² = 4229949936332898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45988807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 851619 + ... + 851672.

It is an arithmetic number, because the mean of its divisors is an integer number (8516460).

Almost surely, 2^45988857 is an apocalyptic number.

It is an amenable number.

45988857 is a deficient number, since it is larger than the sum of its proper divisors (22142823).

45988857 is a wasteful number, since it uses less digits than its factorization.

45988857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703300 (or 1703294 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 54.

The square root of 45988857 is about 6781.5084605123. The cubic root of 45988857 is about 358.2758529518.

The spelling of 45988857 in words is "forty-five million, nine hundred eighty-eight thousand, eight hundred fifty-seven".