152989 has 2 divisors, whose sum is σ = 152990. Its totient is φ = 152988.

The previous prime is 152981. The next prime is 152993. The reversal of 152989 is 989251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80089 + 72900 = 283^2 + 270^2 .

It is an emirp because it is prime and its reverse (989251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152989 - 2³ = 152981 is a prime.

152989 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76494 + 76495.

It is an arithmetic number, because the mean of its divisors is an integer number (76495).

2¹⁵²⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

152989 is a deficient number, since it is larger than the sum of its proper divisors (1).

152989 is an equidigital number, since it uses as much as digits as its factorization.

152989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 34.

The square root of 152989 is about 391.1380830346. The cubic root of 152989 is about 53.4835306106.

The spelling of 152989 in words is "one hundred fifty-two thousand, nine hundred eighty-nine".