45319512 has 96 divisors (see below), whose sum is σ = 133585200. Its totient is φ = 12773376.

The previous prime is 45319481. The next prime is 45319543. The reversal of 45319512 is 21591354.

It is an interprime number because it is at equal distance from previous prime (45319481) and next prime (45319543).

It is a self number, because there is not a number n which added to its sum of digits gives 45319512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104448 + ... + 104880.

Almost surely, 2^45319512 is an apocalyptic number.

45319512 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45319512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66792600).

45319512 is an abundant number, since it is smaller than the sum of its proper divisors (88265688).

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

45319512 is a wasteful number, since it uses less digits than its factorization.

45319512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 534 counting only the distinct ones).

The product of its digits is 5400, while the sum is 30.

The square root of 45319512 is about 6731.9768270546. The cubic root of 45319512 is about 356.5291755650.

The spelling of 45319512 in words is "forty-five million, three hundred nineteen thousand, five hundred twelve".