45409204 has 12 divisors (see below), whose sum is σ = 81314464. Its totient is φ = 22176504.

The previous prime is 45409151. The next prime is 45409223. The reversal of 45409204 is 40290454.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131832 + ... + 132175.

Almost surely, 2^45409204 is an apocalyptic number.

It is an amenable number.

45409204 is a deficient number, since it is larger than the sum of its proper divisors (35905260).

45409204 is a wasteful number, since it uses less digits than its factorization.

45409204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264054 (or 264052 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 45409204 is about 6738.6351733864. The cubic root of 45409204 is about 356.7642232723.

Adding to 45409204 its reverse (40290454), we get a palindrome (85699658).

The spelling of 45409204 in words is "forty-five million, four hundred nine thousand, two hundred four".