45165506 has 4 divisors (see below), whose sum is σ = 67748262. Its totient is φ = 22582752.

The previous prime is 45165467. The next prime is 45165511. The reversal of 45165506 is 60556154.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 43230625 + 1934881 = 6575^2 + 1391^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11291375 + ... + 11291378.

Almost surely, 2^45165506 is an apocalyptic number.

45165506 is a deficient number, since it is larger than the sum of its proper divisors (22582756).

45165506 is a wasteful number, since it uses less digits than its factorization.

45165506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22582755.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 45165506 is about 6720.5286994402. The cubic root of 45165506 is about 356.1248615166.

The spelling of 45165506 in words is "forty-five million, one hundred sixty-five thousand, five hundred six".