45319236 has 12 divisors (see below), whose sum is σ = 105744912. Its totient is φ = 15106408.

The previous prime is 45319217. The next prime is 45319243. The reversal of 45319236 is 63291354.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 45319197 and 45319206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1888290 + ... + 1888313.

It is an arithmetic number, because the mean of its divisors is an integer number (8812076).

Almost surely, 2^45319236 is an apocalyptic number.

It is an amenable number.

45319236 is an abundant number, since it is smaller than the sum of its proper divisors (60425676).

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

45319236 is a wasteful number, since it uses less digits than its factorization.

45319236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3776610 (or 3776608 counting only the distinct ones).

The product of its digits is 19440, while the sum is 33.

The square root of 45319236 is about 6731.9563278441. The cubic root of 45319236 is about 356.5284517984.

The spelling of 45319236 in words is "forty-five million, three hundred nineteen thousand, two hundred thirty-six".