45000058 has 4 divisors (see below), whose sum is σ = 67500090. Its totient is φ = 22500028.

The previous prime is 45000031. The next prime is 45000061. The reversal of 45000058 is 85000054.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85000054 = 2 ⋅42500027.

It can be written as a sum of positive squares in only one way, i.e., 44715969 + 284089 = 6687^2 + 533^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11250013 + ... + 11250016.

Almost surely, 2^45000058 is an apocalyptic number.

45000058 is a deficient number, since it is larger than the sum of its proper divisors (22500032).

45000058 is a wasteful number, since it uses less digits than its factorization.

45000058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22500031.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 45000058 is about 6708.2082555627. The cubic root of 45000058 is about 355.6894832636.

The spelling of 45000058 in words is "forty-five million, fifty-eight", and thus it is an aban number and an uban number.