45321331 has 8 divisors (see below), whose sum is σ = 49651200. Its totient is φ = 41026440.

The previous prime is 45321299. The next prime is 45321343. The reversal of 45321331 is 13312354.

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

It is a cyclic number.

It is not a de Polignac number, because 45321331 - 2⁵ = 45321299 is a prime.

It is a super-2 number, since 2×45321331² = 4108046087223122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45321361) 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, 5991 + ... + 11248.

It is an arithmetic number, because the mean of its divisors is an integer number (6206400).

Almost surely, 2^45321331 is an apocalyptic number.

45321331 is a deficient number, since it is larger than the sum of its proper divisors (4329869).

45321331 is a wasteful number, since it uses less digits than its factorization.

45321331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17489.

The product of its digits is 1080, while the sum is 22.

The square root of 45321331 is about 6732.1119271741. Note that the first 3 decimals coincide. The cubic root of 45321331 is about 356.5339455332.

Adding to 45321331 its reverse (13312354), we get a palindrome (58633685).

The spelling of 45321331 in words is "forty-five million, three hundred twenty-one thousand, three hundred thirty-one".