45500090 has 8 divisors (see below), whose sum is σ = 81900180. Its totient is φ = 18200032.

The previous prime is 45500071. The next prime is 45500111. The reversal of 45500090 is 9000554.

It can be written as a sum of positive squares in 2 ways, for example, as 45468049 + 32041 = 6743^2 + 179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2274995 + ... + 2275014.

Almost surely, 2^45500090 is an apocalyptic number.

45500090 is a deficient number, since it is larger than the sum of its proper divisors (36400090).

45500090 is a wasteful number, since it uses less digits than its factorization.

45500090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4550016.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 45500090 is about 6745.3754528566. The cubic root of 45500090 is about 357.0020844818.

The spelling of 45500090 in words is "forty-five million, five hundred thousand, ninety".