45001590 has 32 divisors (see below), whose sum is σ = 108180576. Its totient is φ = 11980800.

The previous prime is 45001573. The next prime is 45001603. The reversal of 45001590 is 9510054.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45001590.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33940 + ... + 35240.

It is an arithmetic number, because the mean of its divisors is an integer number (3380643).

Almost surely, 2^45001590 is an apocalyptic number.

45001590 is an abundant number, since it is smaller than the sum of its proper divisors (63178986).

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

45001590 is a wasteful number, since it uses less digits than its factorization.

45001590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 45001590 is about 6708.3224430553. The cubic root of 45001590 is about 355.6935196296.

The spelling of 45001590 in words is "forty-five million, one thousand, five hundred ninety".