244913157 has 6 divisors (see below), whose sum is σ = 353763462. Its totient is φ = 163275432.

The previous prime is 244913147. The next prime is 244913161. The reversal of 244913157 is 751319442.

It can be written as a sum of positive squares in only one way, i.e., 165096801 + 79816356 = 12849^2 + 8934^2 .

It is not a de Polignac number, because 244913157 - 2¹¹ = 244911109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244913147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13606278 + ... + 13606295.

It is an arithmetic number, because the mean of its divisors is an integer number (58960577).

Almost surely, 2^244913157 is an apocalyptic number.

It is an amenable number.

244913157 is a deficient number, since it is larger than the sum of its proper divisors (108850305).

244913157 is a wasteful number, since it uses less digits than its factorization.

244913157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27212579 (or 27212576 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 244913157 is about 15649.7014987507. The cubic root of 244913157 is about 625.6585331974.

The spelling of 244913157 in words is "two hundred forty-four million, nine hundred thirteen thousand, one hundred fifty-seven".