45390204 has 36 divisors (see below), whose sum is σ = 121487184. Its totient is φ = 14239872.

The previous prime is 45390199. The next prime is 45390227. The reversal of 45390204 is 40209354.

45390204 is a `hidden beast` number, since 453 + 9 + 0 + 204 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36472 + ... + 37695.

It is an arithmetic number, because the mean of its divisors is an integer number (3374644).

Almost surely, 2^45390204 is an apocalyptic number.

It is an amenable number.

45390204 is an abundant number, since it is smaller than the sum of its proper divisors (76096980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45390204 is a wasteful number, since it uses less digits than its factorization.

45390204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74194 (or 74189 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 45390204 is about 6737.2252448616. The cubic root of 45390204 is about 356.7144575473.

Adding to 45390204 its reverse (40209354), we get a palindrome (85599558).

The spelling of 45390204 in words is "forty-five million, three hundred ninety thousand, two hundred four".