45106531 has 2 divisors, whose sum is σ = 45106532. Its totient is φ = 45106530.

The previous prime is 45106487. The next prime is 45106543. The reversal of 45106531 is 13560154.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45106531 is a prime.

It is a super-2 number, since 2×45106531² = 4069198277707922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45106496 and 45106505.

It is not a weakly prime, because it can be changed into another prime (45106591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22553265 + 22553266.

It is an arithmetic number, because the mean of its divisors is an integer number (22553266).

Almost surely, 2^45106531 is an apocalyptic number.

45106531 is a deficient number, since it is larger than the sum of its proper divisors (1).

45106531 is an equidigital number, since it uses as much as digits as its factorization.

45106531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 45106531 is about 6716.1395905684. The cubic root of 45106531 is about 355.9697902867.

Adding to 45106531 its reverse (13560154), we get a palindrome (58666685).

The spelling of 45106531 in words is "forty-five million, one hundred six thousand, five hundred thirty-one".