48645439 has 2 divisors, whose sum is σ = 48645440. Its totient is φ = 48645438.

The previous prime is 48645433. The next prime is 48645451. The reversal of 48645439 is 93454684.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48645439 - 2⁹ = 48644927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48645395 and 48645404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48645433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24322719 + 24322720.

It is an arithmetic number, because the mean of its divisors is an integer number (24322720).

Almost surely, 2^48645439 is an apocalyptic number.

48645439 is a deficient number, since it is larger than the sum of its proper divisors (1).

48645439 is an equidigital number, since it uses as much as digits as its factorization.

48645439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 43.

The square root of 48645439 is about 6974.6282338201. The cubic root of 48645439 is about 365.0458164792.

The spelling of 48645439 in words is "forty-eight million, six hundred forty-five thousand, four hundred thirty-nine".