45319032 has 48 divisors (see below), whose sum is σ = 133899480. Its totient is φ = 13732800.

The previous prime is 45319031. The next prime is 45319069. The reversal of 45319032 is 23091354.

45319032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×45319032² = 4107629322834048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45318987 and 45319005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45319031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27819 + ... + 29402.

Almost surely, 2^45319032 is an apocalyptic number.

It is an amenable number.

45319032 is an abundant number, since it is smaller than the sum of its proper divisors (88580448).

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

45319032 is a wasteful number, since it uses less digits than its factorization.

45319032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57244 (or 57237 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 45319032 is about 6731.9411762136. The cubic root of 45319032 is about 356.5279168385.

The spelling of 45319032 in words is "forty-five million, three hundred nineteen thousand, thirty-two".