45541590 has 32 divisors (see below), whose sum is σ = 111628800. Its totient is φ = 11885664.

The previous prime is 45541583. The next prime is 45541619. The reversal of 45541590 is 9514554.

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, 14740 + ... + 17559.

It is an arithmetic number, because the mean of its divisors is an integer number (3488400).

Almost surely, 2^45541590 is an apocalyptic number.

45541590 is an abundant number, since it is smaller than the sum of its proper divisors (66087210).

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

45541590 is a wasteful number, since it uses less digits than its factorization.

45541590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32356.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 45541590 is about 6748.4509333624. The cubic root of 45541590 is about 357.1105903801.

The spelling of 45541590 in words is "forty-five million, five hundred forty-one thousand, five hundred ninety".