45805031 has 2 divisors, whose sum is σ = 45805032. Its totient is φ = 45805030.

The previous prime is 45805009. The next prime is 45805033. The reversal of 45805031 is 13050854.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45805031 - 2¹⁰ = 45804007 is a prime.

It is a super-2 number, since 2×45805031² = 4196201729821922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 45805033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45805033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22902515 + 22902516.

It is an arithmetic number, because the mean of its divisors is an integer number (22902516).

Almost surely, 2^45805031 is an apocalyptic number.

45805031 is a deficient number, since it is larger than the sum of its proper divisors (1).

45805031 is an equidigital number, since it uses as much as digits as its factorization.

45805031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 45805031 is about 6767.9414152311. The cubic root of 45805031 is about 357.7978504621.

Adding to 45805031 its reverse (13050854), we get a palindrome (58855885).

The spelling of 45805031 in words is "forty-five million, eight hundred five thousand, thirty-one".