45322131 has 8 divisors (see below), whose sum is σ = 60514240. Its totient is φ = 30172392.

The previous prime is 45322127. The next prime is 45322133. The reversal of 45322131 is 13122354.

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

It is not a de Polignac number, because 45322131 - 2² = 45322127 is a prime.

It is a super-2 number, since 2×45322131² = 4108191116762322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45322098 and 45322107.

It is not an unprimeable number, because it can be changed into a prime (45322133) 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, 8005 + ... + 12438.

It is an arithmetic number, because the mean of its divisors is an integer number (7564280).

Almost surely, 2^45322131 is an apocalyptic number.

45322131 is a deficient number, since it is larger than the sum of its proper divisors (15192109).

45322131 is a wasteful number, since it uses less digits than its factorization.

45322131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21185.

The product of its digits is 720, while the sum is 21.

The square root of 45322131 is about 6732.1713436305. The cubic root of 45322131 is about 356.5360433348.

Adding to 45322131 its reverse (13122354), we get a palindrome (58444485).

The spelling of 45322131 in words is "forty-five million, three hundred twenty-two thousand, one hundred thirty-one".