45658791 has 12 divisors (see below), whose sum is σ = 66046968. Its totient is φ = 30395184.

The previous prime is 45658763. The next prime is 45658793. The reversal of 45658791 is 19785654.

45658791 is a `hidden beast` number, since 4 + 565 + 87 + 9 + 1 = 666.

It is not a de Polignac number, because 45658791 - 2⁶ = 45658727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45658793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3676 + ... + 10238.

It is an arithmetic number, because the mean of its divisors is an integer number (5503914).

Almost surely, 2^45658791 is an apocalyptic number.

45658791 is a deficient number, since it is larger than the sum of its proper divisors (20388177).

45658791 is a wasteful number, since it uses less digits than its factorization.

45658791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7342 (or 7339 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 45658791 is about 6757.1289021300. The cubic root of 45658791 is about 357.4166685980.

The spelling of 45658791 in words is "forty-five million, six hundred fifty-eight thousand, seven hundred ninety-one".