344044157 has 2 divisors, whose sum is σ = 344044158. Its totient is φ = 344044156.

The previous prime is 344044117. The next prime is 344044171. The reversal of 344044157 is 751440443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 328841956 + 15202201 = 18134^2 + 3899^2 .

It is a cyclic number.

It is not a de Polignac number, because 344044157 - 2¹⁴ = 344027773 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344044117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172022078 + 172022079.

It is an arithmetic number, because the mean of its divisors is an integer number (172022079).

Almost surely, 2^344044157 is an apocalyptic number.

It is an amenable number.

344044157 is a deficient number, since it is larger than the sum of its proper divisors (1).

344044157 is an equidigital number, since it uses as much as digits as its factorization.

344044157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 344044157 is about 18548.4273457347. The cubic root of 344044157 is about 700.7095913272.

The spelling of 344044157 in words is "three hundred forty-four million, forty-four thousand, one hundred fifty-seven".