45112831 has 2 divisors, whose sum is σ = 45112832. Its totient is φ = 45112830.

The previous prime is 45112829. The next prime is 45112853. The reversal of 45112831 is 13821154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45112831 - 2¹ = 45112829 is a prime.

It is a super-2 number, since 2×45112831² = 4070335041669122, which contains 22 as substring.

Together with 45112829, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 45112796 and 45112805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45112861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22556415 + 22556416.

It is an arithmetic number, because the mean of its divisors is an integer number (22556416).

Almost surely, 2^45112831 is an apocalyptic number.

45112831 is a deficient number, since it is larger than the sum of its proper divisors (1).

45112831 is an equidigital number, since it uses as much as digits as its factorization.

45112831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 25.

The square root of 45112831 is about 6716.6085936282. The cubic root of 45112831 is about 355.9863622053.

Adding to 45112831 its reverse (13821154), we get a palindrome (58933985).

The spelling of 45112831 in words is "forty-five million, one hundred twelve thousand, eight hundred thirty-one".