45812831 has 2 divisors, whose sum is σ = 45812832. Its totient is φ = 45812830.

The previous prime is 45812813. The next prime is 45812863. The reversal of 45812831 is 13821854.

Together with previous prime (45812813) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (45812863) can be obtained adding 45812831 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45812831 - 2²² = 41618527 is a prime.

It is a super-2 number, since 2×45812831² = 4197630968469122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45812131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22906415 + 22906416.

It is an arithmetic number, because the mean of its divisors is an integer number (22906416).

Almost surely, 2^45812831 is an apocalyptic number.

45812831 is a deficient number, since it is larger than the sum of its proper divisors (1).

45812831 is an equidigital number, since it uses as much as digits as its factorization.

45812831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 32.

The square root of 45812831 is about 6768.5176368242. The cubic root of 45812831 is about 357.8181587468.

The spelling of 45812831 in words is "forty-five million, eight hundred twelve thousand, eight hundred thirty-one".