45621012 has 24 divisors (see below), whose sum is σ = 107265312. Its totient is φ = 15090400.

The previous prime is 45621011. The next prime is 45621019. The reversal of 45621012 is 21012654.

It is a self number, because there is not a number n which added to its sum of digits gives 45621012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45621011) 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, 12939 + ... + 16082.

It is an arithmetic number, because the mean of its divisors is an integer number (4469388).

Almost surely, 2^45621012 is an apocalyptic number.

It is an amenable number.

45621012 is an abundant number, since it is smaller than the sum of its proper divisors (61644300).

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

45621012 is a wasteful number, since it uses less digits than its factorization.

45621012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29159 (or 29157 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 45621012 is about 6754.3328315978. The cubic root of 45621012 is about 357.3180634888.

Adding to 45621012 its reverse (21012654), we get a palindrome (66633666).

The spelling of 45621012 in words is "forty-five million, six hundred twenty-one thousand, twelve".