45107784 has 48 divisors (see below), whose sum is σ = 127483200. Its totient is φ = 14381664.

The previous prime is 45107779. The next prime is 45107857. The reversal of 45107784 is 48770154.

It is a super-4 number, since 4×45107784⁴ (a number of 32 digits) contains 4444 as substring.

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 11 ways as a sum of consecutive naturals, for example, 11964 + ... + 15275.

It is an arithmetic number, because the mean of its divisors is an integer number (2655900).

Almost surely, 2^45107784 is an apocalyptic number.

It is an amenable number.

45107784 is an abundant number, since it is smaller than the sum of its proper divisors (82375416).

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

45107784 is a wasteful number, since it uses less digits than its factorization.

45107784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27274 (or 27267 counting only the distinct ones).

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

The square root of 45107784 is about 6716.2328726750. The cubic root of 45107784 is about 355.9730863801.

The spelling of 45107784 in words is "forty-five million, one hundred seven thousand, seven hundred eighty-four".