244866137 has 2 divisors, whose sum is σ = 244866138. Its totient is φ = 244866136.

The previous prime is 244866131. The next prime is 244866151. The reversal of 244866137 is 731668442.

244866137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233142361 + 11723776 = 15269^2 + 3424^2 .

It is a cyclic number.

It is not a de Polignac number, because 244866137 - 2¹⁴ = 244849753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 244866094 and 244866103.

It is not a weakly prime, because it can be changed into another prime (244866131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122433068 + 122433069.

It is an arithmetic number, because the mean of its divisors is an integer number (122433069).

Almost surely, 2^244866137 is an apocalyptic number.

It is an amenable number.

244866137 is a deficient number, since it is larger than the sum of its proper divisors (1).

244866137 is an equidigital number, since it uses as much as digits as its factorization.

244866137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 41.

The square root of 244866137 is about 15648.1991615649. The cubic root of 244866137 is about 625.6184913210.

The spelling of 244866137 in words is "two hundred forty-four million, eight hundred sixty-six thousand, one hundred thirty-seven".