45646416 has 50 divisors (see below), whose sum is σ = 132117722. Its totient is φ = 15215040.

The previous prime is 45646399. The next prime is 45646429. The reversal of 45646416 is 61464654.

45646416 is a `hidden beast` number, since 4 + 5 + 6 + 4 + 641 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 44836416 + 810000 = 6696^2 + 900^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16315 + ... + 18906.

Almost surely, 2^45646416 is an apocalyptic number.

It is an amenable number.

45646416 is an abundant number, since it is smaller than the sum of its proper divisors (86471306).

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

45646416 is a wasteful number, since it uses less digits than its factorization.

45646416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35241 (or 35226 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 45646416 is about 6756.2131405100. The cubic root of 45646416 is about 357.3843752117.

The spelling of 45646416 in words is "forty-five million, six hundred forty-six thousand, four hundred sixteen".