45771408 has 30 divisors (see below), whose sum is σ = 128096774. Its totient is φ = 15257088.

The previous prime is 45771379. The next prime is 45771421. The reversal of 45771408 is 80417754.

It can be written as a sum of positive squares in only one way, i.e., 45319824 + 451584 = 6732^2 + 672^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 158785 + ... + 159072.

Almost surely, 2^45771408 is an apocalyptic number.

45771408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

45771408 is an abundant number, since it is smaller than the sum of its proper divisors (82325366).

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

45771408 is a wasteful number, since it uses less digits than its factorization.

45771408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317871 (or 317862 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 45771408 is about 6765.4569690450. The cubic root of 45771408 is about 357.7102823380.

The spelling of 45771408 in words is "forty-five million, seven hundred seventy-one thousand, four hundred eight".