45041239 has 2 divisors, whose sum is σ = 45041240. Its totient is φ = 45041238.

The previous prime is 45041231. The next prime is 45041251. The reversal of 45041239 is 93214054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45041239 - 2³ = 45041231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45041231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22520619 + 22520620.

It is an arithmetic number, because the mean of its divisors is an integer number (22520620).

Almost surely, 2^45041239 is an apocalyptic number.

45041239 is a deficient number, since it is larger than the sum of its proper divisors (1).

45041239 is an equidigital number, since it uses as much as digits as its factorization.

45041239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 45041239 is about 6711.2770021807. The cubic root of 45041239 is about 355.7979511438.

The spelling of 45041239 in words is "forty-five million, forty-one thousand, two hundred thirty-nine".