151606489 has 2 divisors, whose sum is σ = 151606490. Its totient is φ = 151606488.

The previous prime is 151606439. The next prime is 151606549. The reversal of 151606489 is 984606151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104203264 + 47403225 = 10208^2 + 6885^2 .

It is a cyclic number.

It is not a de Polignac number, because 151606489 - 2⁷ = 151606361 is a prime.

It is not a weakly prime, because it can be changed into another prime (151606439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75803244 + 75803245.

It is an arithmetic number, because the mean of its divisors is an integer number (75803245).

Almost surely, 2^151606489 is an apocalyptic number.

It is an amenable number.

151606489 is a deficient number, since it is larger than the sum of its proper divisors (1).

151606489 is an equidigital number, since it uses as much as digits as its factorization.

151606489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 151606489 is about 12312.8586851308. The cubic root of 151606489 is about 533.2193855090.

The spelling of 151606489 in words is "one hundred fifty-one million, six hundred six thousand, four hundred eighty-nine".