45423331 has 2 divisors, whose sum is σ = 45423332. Its totient is φ = 45423330.

The previous prime is 45423317. The next prime is 45423347. The reversal of 45423331 is 13332454.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45423331 is a prime.

It is a super-2 number, since 2×45423331² = 4126557998271122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45423296 and 45423305.

It is not a weakly prime, because it can be changed into another prime (45423311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22711665 + 22711666.

It is an arithmetic number, because the mean of its divisors is an integer number (22711666).

Almost surely, 2^45423331 is an apocalyptic number.

45423331 is a deficient number, since it is larger than the sum of its proper divisors (1).

45423331 is an equidigital number, since it uses as much as digits as its factorization.

45423331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 25.

The square root of 45423331 is about 6739.6833011648. The cubic root of 45423331 is about 356.8012164013.

Adding to 45423331 its reverse (13332454), we get a palindrome (58755785).

It can be divided in two parts, 45423 and 331, that added together give a palindrome (45754).

The spelling of 45423331 in words is "forty-five million, four hundred twenty-three thousand, three hundred thirty-one".