45861590 has 16 divisors (see below), whose sum is σ = 83015280. Its totient is φ = 18241440.

The previous prime is 45861587. The next prime is 45861619. The reversal of 45861590 is 9516854.

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, 11021 + ... + 14600.

It is an arithmetic number, because the mean of its divisors is an integer number (5188455).

Almost surely, 2^45861590 is an apocalyptic number.

45861590 is a deficient number, since it is larger than the sum of its proper divisors (37153690).

45861590 is a wasteful number, since it uses less digits than its factorization.

45861590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25807.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 45861590 is about 6772.1185754533. The cubic root of 45861590 is about 357.9450567450.

The spelling of 45861590 in words is "forty-five million, eight hundred sixty-one thousand, five hundred ninety".