45166554 has 12 divisors (see below), whose sum is σ = 97860906. Its totient is φ = 15055512.

The previous prime is 45166531. The next prime is 45166619. The reversal of 45166554 is 45566154.

45166554 is a `hidden beast` number, since 45 + 1 + 66 + 554 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24235929 + 20930625 = 4923^2 + 4575^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1254609 + ... + 1254644.

Almost surely, 2^45166554 is an apocalyptic number.

45166554 is an abundant number, since it is smaller than the sum of its proper divisors (52694352).

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

45166554 is a wasteful number, since it uses less digits than its factorization.

45166554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509261 (or 2509258 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 45166554 is about 6720.6066690441. The cubic root of 45166554 is about 356.1276159488.

The spelling of 45166554 in words is "forty-five million, one hundred sixty-six thousand, five hundred fifty-four".