45985988 has 6 divisors (see below), whose sum is σ = 80475486. Its totient is φ = 22992992.

The previous prime is 45985939. The next prime is 45985991. The reversal of 45985988 is 88958954.

45985988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 43270084 + 2715904 = 6578^2 + 1648^2 .

It is a super-2 number, since 2×45985988² = 4229422184672288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5748245 + ... + 5748252.

It is an arithmetic number, because the mean of its divisors is an integer number (13412581).

Almost surely, 2^45985988 is an apocalyptic number.

It is an amenable number.

45985988 is a deficient number, since it is larger than the sum of its proper divisors (34489498).

45985988 is a wasteful number, since it uses less digits than its factorization.

45985988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11496501 (or 11496499 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 56.

The square root of 45985988 is about 6781.2969261049. The cubic root of 45985988 is about 358.2684024890.

The spelling of 45985988 in words is "forty-five million, nine hundred eighty-five thousand, nine hundred eighty-eight".