45624532 has 24 divisors (see below), whose sum is σ = 85423464. Its totient is φ = 21245952.

The previous prime is 45624517. The next prime is 45624539. The reversal of 45624532 is 23542654.

It can be written as a sum of positive squares in 4 ways, for example, as 14107536 + 31516996 = 3756^2 + 5614^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45624494 and 45624503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45624539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3138 + ... + 10054.

It is an arithmetic number, because the mean of its divisors is an integer number (3559311).

Almost surely, 2^45624532 is an apocalyptic number.

It is an amenable number.

45624532 is a deficient number, since it is larger than the sum of its proper divisors (39798932).

45624532 is a wasteful number, since it uses less digits than its factorization.

45624532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7035 (or 7033 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 45624532 is about 6754.5934000501. The cubic root of 45624532 is about 357.3272531669.

The spelling of 45624532 in words is "forty-five million, six hundred twenty-four thousand, five hundred thirty-two".