149146937 has 2 divisors, whose sum is σ = 149146938. Its totient is φ = 149146936.

The previous prime is 149146901. The next prime is 149146939. The reversal of 149146937 is 739641941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149108521 + 38416 = 12211^2 + 196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149146937 is a prime.

Together with 149146939, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (149146939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74573468 + 74573469.

It is an arithmetic number, because the mean of its divisors is an integer number (74573469).

Almost surely, 2^149146937 is an apocalyptic number.

It is an amenable number.

149146937 is a deficient number, since it is larger than the sum of its proper divisors (1).

149146937 is an equidigital number, since it uses as much as digits as its factorization.

149146937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 44.

The square root of 149146937 is about 12212.5729066401. The cubic root of 149146937 is about 530.3201305545.

The spelling of 149146937 in words is "one hundred forty-nine million, one hundred forty-six thousand, nine hundred thirty-seven".