45624020 has 48 divisors (see below), whose sum is σ = 103676160. Its totient is φ = 16765056.

The previous prime is 45624017. The next prime is 45624031. The reversal of 45624020 is 2042654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98309 + ... + 98771.

It is an arithmetic number, because the mean of its divisors is an integer number (2159920).

Almost surely, 2^45624020 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 45624020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51838080).

45624020 is an abundant number, since it is smaller than the sum of its proper divisors (58052140).

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

45624020 is a wasteful number, since it uses less digits than its factorization.

45624020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 45624020 is about 6754.5554998090. Note that the first 3 decimals coincide. The cubic root of 45624020 is about 357.3259165158.

Adding to 45624020 its reverse (2042654), we get a palindrome (47666674).

The spelling of 45624020 in words is "forty-five million, six hundred twenty-four thousand, twenty".