244874137 has 8 divisors (see below), whose sum is σ = 259444296. Its totient is φ = 230322432.

The previous prime is 244874129. The next prime is 244874141. The reversal of 244874137 is 731478442.

It can be written as a sum of positive squares in 4 ways, for example, as 38204761 + 206669376 = 6181^2 + 14376^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 244874137 - 2³ = 244874129 is a prime.

It is a super-4 number, since 4×244874137⁴ (a number of 35 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 244874137.

It is not an unprimeable number, because it can be changed into a prime (244874237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30343 + ... + 37555.

It is an arithmetic number, because the mean of its divisors is an integer number (32430537).

Almost surely, 2^244874137 is an apocalyptic number.

It is an amenable number.

244874137 is a deficient number, since it is larger than the sum of its proper divisors (14570159).

244874137 is a wasteful number, since it uses less digits than its factorization.

244874137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9227.

The product of its digits is 150528, while the sum is 40.

The square root of 244874137 is about 15648.4547799455. The cubic root of 244874137 is about 625.6253044224.

The spelling of 244874137 in words is "two hundred forty-four million, eight hundred seventy-four thousand, one hundred thirty-seven".