45519232 has 48 divisors (see below), whose sum is σ = 99710100. Its totient is φ = 20683520.

The previous prime is 45519211. The next prime is 45519239. The reversal of 45519232 is 23291554.

It is a junction number, because it is equal to n+sod(n) for n = 45519194 and 45519203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45519239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14019 + ... + 16957.

Almost surely, 2^45519232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45519232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49855050).

45519232 is an abundant number, since it is smaller than the sum of its proper divisors (54190868).

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

45519232 is a wasteful number, since it uses less digits than its factorization.

45519232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2975 (or 2952 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 45519232 is about 6746.7942016931. The cubic root of 45519232 is about 357.0521413483.

The spelling of 45519232 in words is "forty-five million, five hundred nineteen thousand, two hundred thirty-two".