149385151 has 2 divisors, whose sum is σ = 149385152. Its totient is φ = 149385150.

The previous prime is 149385133. The next prime is 149385167. The reversal of 149385151 is 151583941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149385151 - 2²¹ = 147287999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149385151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149385191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74692575 + 74692576.

It is an arithmetic number, because the mean of its divisors is an integer number (74692576).

Almost surely, 2^149385151 is an apocalyptic number.

149385151 is a deficient number, since it is larger than the sum of its proper divisors (1).

149385151 is an equidigital number, since it uses as much as digits as its factorization.

149385151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 37.

The square root of 149385151 is about 12222.3218334325. The cubic root of 149385151 is about 530.6023186768.

The spelling of 149385151 in words is "one hundred forty-nine million, three hundred eighty-five thousand, one hundred fifty-one".