45879439 has 2 divisors, whose sum is σ = 45879440. Its totient is φ = 45879438.

The previous prime is 45879391. The next prime is 45879461. The reversal of 45879439 is 93497854.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45879439 - 2²¹ = 43782287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45879392 and 45879401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45870439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22939719 + 22939720.

It is an arithmetic number, because the mean of its divisors is an integer number (22939720).

Almost surely, 2^45879439 is an apocalyptic number.

45879439 is a deficient number, since it is larger than the sum of its proper divisors (1).

45879439 is an equidigital number, since it uses as much as digits as its factorization.

45879439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 49.

The square root of 45879439 is about 6773.4362771048. The cubic root of 45879439 is about 357.9914872668.

It can be divided in two parts, 458 and 79439, that added together give a palindrome (79897).

The spelling of 45879439 in words is "forty-five million, eight hundred seventy-nine thousand, four hundred thirty-nine".