45691958 has 16 divisors (see below), whose sum is σ = 75612096. Its totient is φ = 20573760.

The previous prime is 45691957. The next prime is 45691963. The reversal of 45691958 is 85919654.

It is a happy number.

45691958 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45691957) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 20366 + ... + 22497.

It is an arithmetic number, because the mean of its divisors is an integer number (4725756).

Almost surely, 2^45691958 is an apocalyptic number.

45691958 is a deficient number, since it is larger than the sum of its proper divisors (29920138).

45691958 is a wasteful number, since it uses less digits than its factorization.

45691958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42919.

The product of its digits is 388800, while the sum is 47.

The square root of 45691958 is about 6759.5826794263. The cubic root of 45691958 is about 357.5031913256.

The spelling of 45691958 in words is "forty-five million, six hundred ninety-one thousand, nine hundred fifty-eight".