45456539 has 2 divisors, whose sum is σ = 45456540. Its totient is φ = 45456538.

The previous prime is 45456503. The next prime is 45456553. The reversal of 45456539 is 93565454.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45456539 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45456496 and 45456505.

It is not a weakly prime, because it can be changed into another prime (45456559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22728269 + 22728270.

It is an arithmetic number, because the mean of its divisors is an integer number (22728270).

Almost surely, 2^45456539 is an apocalyptic number.

45456539 is a deficient number, since it is larger than the sum of its proper divisors (1).

45456539 is an equidigital number, since it uses as much as digits as its factorization.

45456539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324000, while the sum is 41.

The square root of 45456539 is about 6742.1464682992. The cubic root of 45456539 is about 356.8881450660. Note that the first 3 decimals are identical.

It can be divided in two parts, 454565 and 39, that multiplied together give a triangular number (17728035 = T₅₉₅₄).

The spelling of 45456539 in words is "forty-five million, four hundred fifty-six thousand, five hundred thirty-nine".