361449157 has 2 divisors, whose sum is σ = 361449158. Its totient is φ = 361449156.

The previous prime is 361449139. The next prime is 361449167. The reversal of 361449157 is 751944163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 330912481 + 30536676 = 18191^2 + 5526^2 .

It is an emirp because it is prime and its reverse (751944163) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-361449157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361449107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180724578 + 180724579.

It is an arithmetic number, because the mean of its divisors is an integer number (180724579).

Almost surely, 2^361449157 is an apocalyptic number.

It is an amenable number.

361449157 is a deficient number, since it is larger than the sum of its proper divisors (1).

361449157 is an equidigital number, since it uses as much as digits as its factorization.

361449157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 361449157 is about 19011.8162467451. The cubic root of 361449157 is about 712.3319193963.

The spelling of 361449157 in words is "three hundred sixty-one million, four hundred forty-nine thousand, one hundred fifty-seven".