45742492 has 24 divisors (see below), whose sum is σ = 83799072. Its totient is φ = 21806400.

The previous prime is 45742451. The next prime is 45742493. The reversal of 45742492 is 29424754.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45742493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38142 + ... + 39322.

It is an arithmetic number, because the mean of its divisors is an integer number (3491628).

Almost surely, 2^45742492 is an apocalyptic number.

It is an amenable number.

45742492 is a deficient number, since it is larger than the sum of its proper divisors (38056580).

45742492 is a wasteful number, since it uses less digits than its factorization.

45742492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629 (or 1627 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 45742492 is about 6763.3195991318. The cubic root of 45742492 is about 357.6349388728.

The spelling of 45742492 in words is "forty-five million, seven hundred forty-two thousand, four hundred ninety-two".