148468589 has 2 divisors, whose sum is σ = 148468590. Its totient is φ = 148468588.

The previous prime is 148468543. The next prime is 148468591. The reversal of 148468589 is 985864841.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145612489 + 2856100 = 12067^2 + 1690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148468589 is a prime.

Together with 148468591, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 148468589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148468189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74234294 + 74234295.

It is an arithmetic number, because the mean of its divisors is an integer number (74234295).

Almost surely, 2^148468589 is an apocalyptic number.

It is an amenable number.

148468589 is a deficient number, since it is larger than the sum of its proper divisors (1).

148468589 is an equidigital number, since it uses as much as digits as its factorization.

148468589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2211840, while the sum is 53.

The square root of 148468589 is about 12184.7687298529. The cubic root of 148468589 is about 529.5149103692.

The spelling of 148468589 in words is "one hundred forty-eight million, four hundred sixty-eight thousand, five hundred eighty-nine".