152555189 has 2 divisors, whose sum is σ = 152555190. Its totient is φ = 152555188.

The previous prime is 152555171. The next prime is 152555197. The reversal of 152555189 is 981555251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142683025 + 9872164 = 11945^2 + 3142^2 .

It is an emirp because it is prime and its reverse (981555251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152555189 - 2²⁰ = 151506613 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 (152555129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76277594 + 76277595.

It is an arithmetic number, because the mean of its divisors is an integer number (76277595).

Almost surely, 2^152555189 is an apocalyptic number.

It is an amenable number.

152555189 is a deficient number, since it is larger than the sum of its proper divisors (1).

152555189 is an equidigital number, since it uses as much as digits as its factorization.

152555189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90000, while the sum is 41.

The square root of 152555189 is about 12351.3233703923. The cubic root of 152555189 is about 534.3293065771.

The spelling of 152555189 in words is "one hundred fifty-two million, five hundred fifty-five thousand, one hundred eighty-nine".