45504342 has 160 divisors (see below), whose sum is σ = 122943744. Its totient is φ = 12441600.

The previous prime is 45504313. The next prime is 45504377. The reversal of 45504342 is 24340554.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1109842 + ... + 1109882.

Almost surely, 2^45504342 is an apocalyptic number.

45504342 is the 5508-th pentagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45504342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61471872).

45504342 is an abundant number, since it is smaller than the sum of its proper divisors (77439402).

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

45504342 is a wasteful number, since it uses less digits than its factorization.

45504342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 45504342 is about 6745.6906243912. The cubic root of 45504342 is about 357.0132047937.

Adding to 45504342 its reverse (24340554), we get a palindrome (69844896).

The spelling of 45504342 in words is "forty-five million, five hundred four thousand, three hundred forty-two".