244661157 has 24 divisors (see below), whose sum is σ = 400618400. Its totient is φ = 142635168.

The previous prime is 244661117. The next prime is 244661167. The reversal of 244661157 is 751166442.

244661157 is a `hidden beast` number, since 2 + 446 + 61 + 157 = 666.

It is not a de Polignac number, because 244661157 - 2¹⁰ = 244660133 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244661117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52807 + ... + 57252.

Almost surely, 2^244661157 is an apocalyptic number.

It is an amenable number.

244661157 is a deficient number, since it is larger than the sum of its proper divisors (155957243).

244661157 is a wasteful number, since it uses less digits than its factorization.

244661157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110097 (or 110094 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 244661157 is about 15641.6481548461. The cubic root of 244661157 is about 625.4438719963.

The spelling of 244661157 in words is "two hundred forty-four million, six hundred sixty-one thousand, one hundred fifty-seven".