45870439 has 2 divisors, whose sum is σ = 45870440. Its totient is φ = 45870438.

The previous prime is 45870401. The next prime is 45870443. The reversal of 45870439 is 93407854.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45870439 - 2¹³ = 45862247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45870479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22935219 + 22935220.

It is an arithmetic number, because the mean of its divisors is an integer number (22935220).

Almost surely, 2^45870439 is an apocalyptic number.

45870439 is a deficient number, since it is larger than the sum of its proper divisors (1).

45870439 is an equidigital number, since it uses as much as digits as its factorization.

45870439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 45870439 is about 6772.7718845389. The cubic root of 45870439 is about 357.9680771136.

The spelling of 45870439 in words is "forty-five million, eight hundred seventy thousand, four hundred thirty-nine".