152020189 has 2 divisors, whose sum is σ = 152020190. Its totient is φ = 152020188.

The previous prime is 152020177. The next prime is 152020217. The reversal of 152020189 is 981020251.

It is an a-pointer prime, because the next prime (152020217) can be obtained adding 152020189 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145684900 + 6335289 = 12070^2 + 2517^2 .

It is a cyclic number.

It is not a de Polignac number, because 152020189 - 2²⁵ = 118465757 is a prime.

It is a super-2 number, since 2×152020189² = 46220275727191442, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152020109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76010094 + 76010095.

It is an arithmetic number, because the mean of its divisors is an integer number (76010095).

Almost surely, 2^152020189 is an apocalyptic number.

It is an amenable number.

152020189 is a deficient number, since it is larger than the sum of its proper divisors (1).

152020189 is an equidigital number, since it uses as much as digits as its factorization.

152020189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 152020189 is about 12329.6467508197. The cubic root of 152020189 is about 533.7039569268.

The spelling of 152020189 in words is "one hundred fifty-two million, twenty thousand, one hundred eighty-nine".