45348239 has 2 divisors, whose sum is σ = 45348240. Its totient is φ = 45348238.

The previous prime is 45348229. The next prime is 45348241. The reversal of 45348239 is 93284354.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45348239 - 2⁸ = 45347983 is a prime.

It is a super-2 number, since 2×45348239² = 4112925560802242, which contains 22 as substring.

Together with 45348241, 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 (45348229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22674119 + 22674120.

It is an arithmetic number, because the mean of its divisors is an integer number (22674120).

Almost surely, 2^45348239 is an apocalyptic number.

45348239 is a deficient number, since it is larger than the sum of its proper divisors (1).

45348239 is an equidigital number, since it uses as much as digits as its factorization.

45348239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 38.

The square root of 45348239 is about 6734.1101119599. The cubic root of 45348239 is about 356.6044915446.

The spelling of 45348239 in words is "forty-five million, three hundred forty-eight thousand, two hundred thirty-nine".