45439344 has 30 divisors (see below), whose sum is σ = 127167456. Its totient is φ = 15146400.

The previous prime is 45439343. The next prime is 45439363. The reversal of 45439344 is 44393454.

It is a happy number.

45439344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 45439299 and 45439308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45439343) 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 5 ways as a sum of consecutive naturals, for example, 157632 + ... + 157919.

Almost surely, 2^45439344 is an apocalyptic number.

It is an amenable number.

45439344 is an abundant number, since it is smaller than the sum of its proper divisors (81728112).

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

45439344 is a wasteful number, since it uses less digits than its factorization.

45439344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315565 (or 315556 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 45439344 is about 6740.8711603175. The cubic root of 45439344 is about 356.8431389588.

The spelling of 45439344 in words is "forty-five million, four hundred thirty-nine thousand, three hundred forty-four".