149750317 has 2 divisors, whose sum is σ = 149750318. Its totient is φ = 149750316.

The previous prime is 149750291. The next prime is 149750333. The reversal of 149750317 is 713057941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96255721 + 53494596 = 9811^2 + 7314^2 .

It is a cyclic number.

It is not a de Polignac number, because 149750317 - 2⁷ = 149750189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149750347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74875158 + 74875159.

It is an arithmetic number, because the mean of its divisors is an integer number (74875159).

Almost surely, 2^149750317 is an apocalyptic number.

It is an amenable number.

149750317 is a deficient number, since it is larger than the sum of its proper divisors (1).

149750317 is an equidigital number, since it uses as much as digits as its factorization.

149750317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 149750317 is about 12237.2512027824. The cubic root of 149750317 is about 531.0343122210.

The spelling of 149750317 in words is "one hundred forty-nine million, seven hundred fifty thousand, three hundred seventeen".