149740567 has 2 divisors, whose sum is σ = 149740568. Its totient is φ = 149740566.

The previous prime is 149740559. The next prime is 149740583. The reversal of 149740567 is 765047941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149740567 - 2³ = 149740559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149740537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74870283 + 74870284.

It is an arithmetic number, because the mean of its divisors is an integer number (74870284).

Almost surely, 2^149740567 is an apocalyptic number.

149740567 is a deficient number, since it is larger than the sum of its proper divisors (1).

149740567 is an equidigital number, since it uses as much as digits as its factorization.

149740567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 149740567 is about 12236.8528225194. The cubic root of 149740567 is about 531.0227870436.

The spelling of 149740567 in words is "one hundred forty-nine million, seven hundred forty thousand, five hundred sixty-seven".