45419544 has 24 divisors (see below), whose sum is σ = 123011460. Its totient is φ = 15139824.

The previous prime is 45419533. The next prime is 45419551. The reversal of 45419544 is 44591454.

45419544 is nontrivially palindromic in base 5.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 45419499 and 45419508.

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, 315342 + ... + 315485.

Almost surely, 2^45419544 is an apocalyptic number.

It is an amenable number.

45419544 is an abundant number, since it is smaller than the sum of its proper divisors (77591916).

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

45419544 is a wasteful number, since it uses less digits than its factorization.

45419544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630839 (or 630832 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 45419544 is about 6739.4023473896. The cubic root of 45419544 is about 356.7913004709.

The spelling of 45419544 in words is "forty-five million, four hundred nineteen thousand, five hundred forty-four".