45621032 has 16 divisors (see below), whose sum is σ = 85868640. Its totient is φ = 22722736.

The previous prime is 45621019. The next prime is 45621049. The reversal of 45621032 is 23012654.

It is a junction number, because it is equal to n+sod(n) for n = 45620989 and 45621007.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8738 + ... + 12945.

It is an arithmetic number, because the mean of its divisors is an integer number (5366790).

Almost surely, 2^45621032 is an apocalyptic number.

It is an amenable number.

45621032 is a deficient number, since it is larger than the sum of its proper divisors (40247608).

45621032 is a wasteful number, since it uses less digits than its factorization.

45621032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21952 (or 21948 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 45621032 is about 6754.3343121288. The cubic root of 45621032 is about 357.3181157043.

Adding to 45621032 its reverse (23012654), we get a palindrome (68633686).

The spelling of 45621032 in words is "forty-five million, six hundred twenty-one thousand, thirty-two".