244155239 has 2 divisors, whose sum is σ = 244155240. Its totient is φ = 244155238.

The previous prime is 244155227. The next prime is 244155251. The reversal of 244155239 is 932551442.

It is a balanced prime because it is at equal distance from previous prime (244155227) and next prime (244155251).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244155239 is a prime.

It is a super-2 number, since 2×244155239² = 119223561462294242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244155199 and 244155208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244155739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122077619 + 122077620.

It is an arithmetic number, because the mean of its divisors is an integer number (122077620).

Almost surely, 2^244155239 is an apocalyptic number.

244155239 is a deficient number, since it is larger than the sum of its proper divisors (1).

244155239 is an equidigital number, since it uses as much as digits as its factorization.

244155239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 35.

The square root of 244155239 is about 15625.4676410020. The cubic root of 244155239 is about 625.0124703645.

The spelling of 244155239 in words is "two hundred forty-four million, one hundred fifty-five thousand, two hundred thirty-nine".