45424521 has 12 divisors (see below), whose sum is σ = 65740272. Its totient is φ = 30224376.

The previous prime is 45424507. The next prime is 45424523. The reversal of 45424521 is 12542454.

It is not a de Polignac number, because 45424521 - 2⁹ = 45424009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45424523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310 + ... + 9536.

It is an arithmetic number, because the mean of its divisors is an integer number (5478356).

Almost surely, 2^45424521 is an apocalyptic number.

It is an amenable number.

45424521 is a deficient number, since it is larger than the sum of its proper divisors (20315751).

45424521 is a wasteful number, since it uses less digits than its factorization.

45424521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9780 (or 9777 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 45424521 is about 6739.7715836666. The cubic root of 45424521 is about 356.8043321990.

Adding to 45424521 its reverse (12542454), we get a palindrome (57966975).

The spelling of 45424521 in words is "forty-five million, four hundred twenty-four thousand, five hundred twenty-one".