45925590 has 16 divisors (see below), whose sum is σ = 110221488. Its totient is φ = 12246816.

The previous prime is 45925567. The next prime is 45925597. The reversal of 45925590 is 9552954.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45925597) 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, 765397 + ... + 765456.

It is an arithmetic number, because the mean of its divisors is an integer number (6888843).

Almost surely, 2^45925590 is an apocalyptic number.

45925590 is an abundant number, since it is smaller than the sum of its proper divisors (64295898).

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

45925590 is a wasteful number, since it uses less digits than its factorization.

45925590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530863.

The product of its (nonzero) digits is 81000, while the sum is 39.

The square root of 45925590 is about 6776.8421849708. The cubic root of 45925590 is about 358.1114838547. Note that the first 3 decimals are identical.

The spelling of 45925590 in words is "forty-five million, nine hundred twenty-five thousand, five hundred ninety".