45023424 has 56 divisors (see below), whose sum is σ = 119621808. Its totient is φ = 14945280.

The previous prime is 45023417. The next prime is 45023437. The reversal of 45023424 is 42432054.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 45023394 and 45023403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80554 + ... + 81110.

Almost surely, 2^45023424 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 45023424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59810904).

45023424 is an abundant number, since it is smaller than the sum of its proper divisors (74598384).

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

45023424 is a wasteful number, since it uses less digits than its factorization.

45023424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993 (or 983 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 45023424 is about 6709.9496272327. The cubic root of 45023424 is about 355.7510357946.

Adding to 45023424 its reverse (42432054), we get a palindrome (87455478).

The spelling of 45023424 in words is "forty-five million, twenty-three thousand, four hundred twenty-four".