149921159 has 2 divisors, whose sum is σ = 149921160. Its totient is φ = 149921158.

The previous prime is 149921141. The next prime is 149921171. The reversal of 149921159 is 951129941.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149921159 - 2¹⁶ = 149855623 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149921119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74960579 + 74960580.

It is an arithmetic number, because the mean of its divisors is an integer number (74960580).

Almost surely, 2^149921159 is an apocalyptic number.

149921159 is a deficient number, since it is larger than the sum of its proper divisors (1).

149921159 is an equidigital number, since it uses as much as digits as its factorization.

149921159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 41.

The square root of 149921159 is about 12244.2296205192. The cubic root of 149921159 is about 531.2361782056.

The spelling of 149921159 in words is "one hundred forty-nine million, nine hundred twenty-one thousand, one hundred fifty-nine".