149957567 has 2 divisors, whose sum is σ = 149957568. Its totient is φ = 149957566.

The previous prime is 149957537. The next prime is 149957569. The reversal of 149957567 is 765759941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149957567 - 2¹² = 149953471 is a prime.

Together with 149957569, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149957569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74978783 + 74978784.

It is an arithmetic number, because the mean of its divisors is an integer number (74978784).

Almost surely, 2^149957567 is an apocalyptic number.

149957567 is a deficient number, since it is larger than the sum of its proper divisors (1).

149957567 is an equidigital number, since it uses as much as digits as its factorization.

149957567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2381400, while the sum is 53.

The square root of 149957567 is about 12245.7162714151. The cubic root of 149957567 is about 531.2791778761.

The spelling of 149957567 in words is "one hundred forty-nine million, nine hundred fifty-seven thousand, five hundred sixty-seven".