149124589 has 2 divisors, whose sum is σ = 149124590. Its totient is φ = 149124588.

The previous prime is 149124557. The next prime is 149124607. The reversal of 149124589 is 985421941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143161225 + 5963364 = 11965^2 + 2442^2 .

It is a cyclic number.

It is not a de Polignac number, because 149124589 - 2⁵ = 149124557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149124389) 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, 74562294 + 74562295.

It is an arithmetic number, because the mean of its divisors is an integer number (74562295).

Almost surely, 2^149124589 is an apocalyptic number.

It is an amenable number.

149124589 is a deficient number, since it is larger than the sum of its proper divisors (1).

149124589 is an equidigital number, since it uses as much as digits as its factorization.

149124589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 43.

The square root of 149124589 is about 12211.6579136496. The cubic root of 149124589 is about 530.2936417185.

The spelling of 149124589 in words is "one hundred forty-nine million, one hundred twenty-four thousand, five hundred eighty-nine".