45059890 has 16 divisors (see below), whose sum is σ = 81267480. Its totient is φ = 17988480.

The previous prime is 45059879. The next prime is 45059909. The reversal of 45059890 is 9895054.

It can be written as a sum of positive squares in 4 ways, for example, as 25070049 + 19989841 = 5007^2 + 4471^2 .

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, 1246 + ... + 9574.

Almost surely, 2^45059890 is an apocalyptic number.

45059890 is a deficient number, since it is larger than the sum of its proper divisors (36207590).

45059890 is a wasteful number, since it uses less digits than its factorization.

45059890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8877.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 45059890 is about 6712.6663852749. Note that the first 3 decimals coincide. The cubic root of 45059890 is about 355.8470548244.

The spelling of 45059890 in words is "forty-five million, fifty-nine thousand, eight hundred ninety".