45378936 has 24 divisors (see below), whose sum is σ = 122901480. Its totient is φ = 15126288.

The previous prime is 45378919. The next prime is 45378941. The reversal of 45378936 is 63987354.

45378936 is a `hidden beast` number, since 4 + 537 + 89 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 45378891 and 45378900.

It is a congruent number.

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, 315060 + ... + 315203.

It is an arithmetic number, because the mean of its divisors is an integer number (5120895).

Almost surely, 2^45378936 is an apocalyptic number.

It is an amenable number.

45378936 is an abundant number, since it is smaller than the sum of its proper divisors (77522544).

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

45378936 is a wasteful number, since it uses less digits than its factorization.

45378936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630275 (or 630268 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 45378936 is about 6736.3889436404. The cubic root of 45378936 is about 356.6849372925.

The spelling of 45378936 in words is "forty-five million, three hundred seventy-eight thousand, nine hundred thirty-six".