45178416 has 30 divisors (see below), whose sum is σ = 126437220. Its totient is φ = 15059424.

The previous prime is 45178391. The next prime is 45178453. The reversal of 45178416 is 61487154.

It is a happy number.

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, 156726 + ... + 157013.

It is an arithmetic number, because the mean of its divisors is an integer number (4214574).

Almost surely, 2^45178416 is an apocalyptic number.

It is an amenable number.

45178416 is an abundant number, since it is smaller than the sum of its proper divisors (81258804).

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

45178416 is a wasteful number, since it uses less digits than its factorization.

45178416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313753 (or 313744 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 45178416 is about 6721.4891207232. The cubic root of 45178416 is about 356.1587895765.

The spelling of 45178416 in words is "forty-five million, one hundred seventy-eight thousand, four hundred sixteen".