45054839 has 2 divisors, whose sum is σ = 45054840. Its totient is φ = 45054838.

The previous prime is 45054829. The next prime is 45054857. The reversal of 45054839 is 93845054.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45054839 - 2¹² = 45050743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45054809) 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, 22527419 + 22527420.

It is an arithmetic number, because the mean of its divisors is an integer number (22527420).

Almost surely, 2^45054839 is an apocalyptic number.

45054839 is a deficient number, since it is larger than the sum of its proper divisors (1).

45054839 is an equidigital number, since it uses as much as digits as its factorization.

45054839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 45054839 is about 6712.2901456954. The cubic root of 45054839 is about 355.8337580717.

The spelling of 45054839 in words is "forty-five million, fifty-four thousand, eight hundred thirty-nine".