45157564 has 24 divisors (see below), whose sum is σ = 81376848. Its totient is φ = 21912960.

The previous prime is 45157549. The next prime is 45157577. The reversal of 45157564 is 46575154.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36622 + ... + 37834.

It is an arithmetic number, because the mean of its divisors is an integer number (3390702).

Almost surely, 2^45157564 is an apocalyptic number.

It is an amenable number.

45157564 is a deficient number, since it is larger than the sum of its proper divisors (36219284).

45157564 is a wasteful number, since it uses less digits than its factorization.

45157564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485 (or 1483 counting only the distinct ones).

The product of its digits is 84000, while the sum is 37.

The square root of 45157564 is about 6719.9377973312. The cubic root of 45157564 is about 356.1039863717.

It can be divided in two parts, 45 and 157564, that added together give a square (157609 = 397²).

The spelling of 45157564 in words is "forty-five million, one hundred fifty-seven thousand, five hundred sixty-four".