45474156 has 144 divisors (see below), whose sum is σ = 147917280. Its totient is φ = 11975040.

The previous prime is 45474137. The next prime is 45474227. The reversal of 45474156 is 65147454.

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

It is a self number, because there is not a number n which added to its sum of digits gives 45474156.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68466 + ... + 69126.

Almost surely, 2^45474156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45474156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73958640).

45474156 is an abundant number, since it is smaller than the sum of its proper divisors (102443124).

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

45474156 is a wasteful number, since it uses less digits than its factorization.

45474156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 686 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 45474156 is about 6743.4528247775. The cubic root of 45474156 is about 356.9342439445.

The spelling of 45474156 in words is "forty-five million, four hundred seventy-four thousand, one hundred fifty-six".