149602589 has 2 divisors, whose sum is σ = 149602590. Its totient is φ = 149602588.

The previous prime is 149602529. The next prime is 149602591. The reversal of 149602589 is 985206941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96924025 + 52678564 = 9845^2 + 7258^2 .

It is a cyclic number.

It is not a de Polignac number, because 149602589 - 2²⁴ = 132825373 is a prime.

Together with 149602591, 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 (149602529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74801294 + 74801295.

It is an arithmetic number, because the mean of its divisors is an integer number (74801295).

Almost surely, 2^149602589 is an apocalyptic number.

It is an amenable number.

149602589 is a deficient number, since it is larger than the sum of its proper divisors (1).

149602589 is an equidigital number, since it uses as much as digits as its factorization.

149602589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 149602589 is about 12231.2137173708. The cubic root of 149602589 is about 530.8596337985.

The spelling of 149602589 in words is "one hundred forty-nine million, six hundred two thousand, five hundred eighty-nine".