45322521 has 8 divisors (see below), whose sum is σ = 62063424. Its totient is φ = 29398320.

The previous prime is 45322513. The next prime is 45322531. The reversal of 45322521 is 12522354.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45322521 - 2³ = 45322513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45322491 and 45322500.

It is not an unprimeable number, because it can be changed into a prime (45322531) 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, 204045 + ... + 204266.

It is an arithmetic number, because the mean of its divisors is an integer number (7757928).

Almost surely, 2^45322521 is an apocalyptic number.

It is an amenable number.

45322521 is a deficient number, since it is larger than the sum of its proper divisors (16740903).

45322521 is a wasteful number, since it uses less digits than its factorization.

45322521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408351.

The product of its digits is 2400, while the sum is 24.

The square root of 45322521 is about 6732.2003089629. The cubic root of 45322521 is about 356.5370660041.

Adding to 45322521 its reverse (12522354), we get a palindrome (57844875).

The spelling of 45322521 in words is "forty-five million, three hundred twenty-two thousand, five hundred twenty-one".