45381166 has 16 divisors (see below), whose sum is σ = 70110000. Its totient is φ = 22014720.

The previous prime is 45381157. The next prime is 45381181. The reversal of 45381166 is 66118354.

It is a happy number.

It is a congruent number.

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, 35710 + ... + 36958.

It is an arithmetic number, because the mean of its divisors is an integer number (4381875).

Almost surely, 2^45381166 is an apocalyptic number.

45381166 is a deficient number, since it is larger than the sum of its proper divisors (24728834).

45381166 is a wasteful number, since it uses less digits than its factorization.

45381166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779.

The product of its digits is 17280, while the sum is 34.

The square root of 45381166 is about 6736.5544605533. The cubic root of 45381166 is about 356.6907799033.

The spelling of 45381166 in words is "forty-five million, three hundred eighty-one thousand, one hundred sixty-six".