45453439 has 2 divisors, whose sum is σ = 45453440. Its totient is φ = 45453438.

The previous prime is 45453437. The next prime is 45453503. The reversal of 45453439 is 93435454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45453439 - 2¹ = 45453437 is a prime.

Together with 45453437, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 45453398 and 45453407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45453431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22726719 + 22726720.

It is an arithmetic number, because the mean of its divisors is an integer number (22726720).

Almost surely, 2^45453439 is an apocalyptic number.

45453439 is a deficient number, since it is larger than the sum of its proper divisors (1).

45453439 is an equidigital number, since it uses as much as digits as its factorization.

45453439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 37.

The square root of 45453439 is about 6741.9165672678. The cubic root of 45453439 is about 356.8800319802.

The spelling of 45453439 in words is "forty-five million, four hundred fifty-three thousand, four hundred thirty-nine".