155341297 has 2 divisors, whose sum is σ = 155341298. Its totient is φ = 155341296.

The previous prime is 155341289. The next prime is 155341331. The reversal of 155341297 is 792143551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142062561 + 13278736 = 11919^2 + 3644^2 .

It is a cyclic number.

It is not a de Polignac number, because 155341297 - 2³ = 155341289 is a prime.

It is not a weakly prime, because it can be changed into another prime (155341237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77670648 + 77670649.

It is an arithmetic number, because the mean of its divisors is an integer number (77670649).

Almost surely, 2^155341297 is an apocalyptic number.

It is an amenable number.

155341297 is a deficient number, since it is larger than the sum of its proper divisors (1).

155341297 is an equidigital number, since it uses as much as digits as its factorization.

155341297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 37.

The square root of 155341297 is about 12463.5988783337. The cubic root of 155341297 is about 537.5625131547.

The spelling of 155341297 in words is "one hundred fifty-five million, three hundred forty-one thousand, two hundred ninety-seven".