244328161 has 45 divisors (see below), whose sum is σ = 324476243. Its totient is φ = 183820560.

The previous prime is 244328089. The next prime is 244328171. The reversal of 244328161 is 161823442.

The square root of 244328161 is 15631.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 128119761 + 116208400 = 11319^2 + 10780^2 .

It is not a de Polignac number, because 244328161 - 2¹¹ = 244326113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (244328171) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 8425095 + ... + 8425123.

Almost surely, 2^244328161 is an apocalyptic number.

244328161 is the 15631-st square number.

244328161 is the 7816-th centered octagonal number.

It is an amenable number.

244328161 is a deficient number, since it is larger than the sum of its proper divisors (80148082).

244328161 is an frugal number, since it uses more digits than its factorization.

244328161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 47 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The cubic root of 244328161 is about 625.1599897617.

Multiplying 244328161 by its product of digits (9216), we get a square (2251728331776 = 1500576²).

The spelling of 244328161 in words is "two hundred forty-four million, three hundred twenty-eight thousand, one hundred sixty-one".