151512989 has 2 divisors, whose sum is σ = 151512990. Its totient is φ = 151512988.

The previous prime is 151512979. The next prime is 151513031. The reversal of 151512989 is 989215151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129732100 + 21780889 = 11390^2 + 4667^2 .

It is an emirp because it is prime and its reverse (989215151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151512989 - 2²⁴ = 134735773 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 (151512979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75756494 + 75756495.

It is an arithmetic number, because the mean of its divisors is an integer number (75756495).

Almost surely, 2^151512989 is an apocalyptic number.

It is an amenable number.

151512989 is a deficient number, since it is larger than the sum of its proper divisors (1).

151512989 is an equidigital number, since it uses as much as digits as its factorization.

151512989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 41.

The square root of 151512989 is about 12309.0612558391. The cubic root of 151512989 is about 533.1097458192.

The spelling of 151512989 in words is "one hundred fifty-one million, five hundred twelve thousand, nine hundred eighty-nine".