151514989 has 2 divisors, whose sum is σ = 151514990. Its totient is φ = 151514988.

The previous prime is 151514977. The next prime is 151515041. The reversal of 151514989 is 989415151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131560900 + 19954089 = 11470^2 + 4467^2 .

It is a cyclic number.

It is not a de Polignac number, because 151514989 - 2⁷ = 151514861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151514959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75757494 + 75757495.

It is an arithmetic number, because the mean of its divisors is an integer number (75757495).

Almost surely, 2^151514989 is an apocalyptic number.

It is an amenable number.

151514989 is a deficient number, since it is larger than the sum of its proper divisors (1).

151514989 is an equidigital number, since it uses as much as digits as its factorization.

151514989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 43.

The square root of 151514989 is about 12309.1424965348. The cubic root of 151514989 is about 533.1120915252.

The spelling of 151514989 in words is "one hundred fifty-one million, five hundred fourteen thousand, nine hundred eighty-nine".