149347157 has 2 divisors, whose sum is σ = 149347158. Its totient is φ = 149347156.

The previous prime is 149347147. The next prime is 149347169. The reversal of 149347157 is 751743941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101888836 + 47458321 = 10094^2 + 6889^2 .

It is a cyclic number.

It is not a de Polignac number, because 149347157 - 2⁴ = 149347141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149347147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74673578 + 74673579.

It is an arithmetic number, because the mean of its divisors is an integer number (74673579).

Almost surely, 2^149347157 is an apocalyptic number.

It is an amenable number.

149347157 is a deficient number, since it is larger than the sum of its proper divisors (1).

149347157 is an equidigital number, since it uses as much as digits as its factorization.

149347157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 41.

The square root of 149347157 is about 12220.7674472596. The cubic root of 149347157 is about 530.5573311312.

The spelling of 149347157 in words is "one hundred forty-nine million, three hundred forty-seven thousand, one hundred fifty-seven".