45611831 has 2 divisors, whose sum is σ = 45611832. Its totient is φ = 45611830.

The previous prime is 45611807. The next prime is 45611843. The reversal of 45611831 is 13811654.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45611831 - 2⁶ = 45611767 is a prime.

It is a super-2 number, since 2×45611831² = 4160878254345122, which contains 22 as substring.

It is a Chen prime.

It is equal to p_2753057 and since 45611831 and 2753057 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 45611794 and 45611803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45611851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22805915 + 22805916.

It is an arithmetic number, because the mean of its divisors is an integer number (22805916).

Almost surely, 2^45611831 is an apocalyptic number.

45611831 is a deficient number, since it is larger than the sum of its proper divisors (1).

45611831 is an equidigital number, since it uses as much as digits as its factorization.

45611831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 29.

The square root of 45611831 is about 6753.6531595870. The cubic root of 45611831 is about 357.2940923910.

The spelling of 45611831 in words is "forty-five million, six hundred eleven thousand, eight hundred thirty-one".