244157 has 2 divisors, whose sum is σ = 244158. Its totient is φ = 244156.

The previous prime is 244147. The next prime is 244159. The reversal of 244157 is 751442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244036 + 121 = 494^2 + 11^2 .

It is a cyclic number.

It is not a de Polignac number, because 244157 - 2⁴ = 244141 is a prime.

It is a super-2 number, since 2×244157² = 119225281298, which contains 22 as substring.

Together with 244159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 244157.

It is not a weakly prime, because it can be changed into another prime (244159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122078 + 122079.

It is an arithmetic number, because the mean of its divisors is an integer number (122079).

2²⁴⁴¹⁵⁷ is an apocalyptic number.

It is an amenable number.

244157 is a deficient number, since it is larger than the sum of its proper divisors (1).

244157 is an equidigital number, since it uses as much as digits as its factorization.

244157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1120, while the sum is 23.

The square root of 244157 is about 494.1224544584. The cubic root of 244157 is about 62.5013973021.

Adding to 244157 its reverse (751442), we get a palindrome (995599).

The spelling of 244157 in words is "two hundred forty-four thousand, one hundred fifty-seven".