151708489 has 9 divisors (see below), whose sum is σ = 154480053. Its totient is φ = 148986432.

The previous prime is 151708481. The next prime is 151708499. The reversal of 151708489 is 984807151.

It is a happy number.

The square root of 151708489 is 12317.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 28676025 + 123032464 = 5355^2 + 11092^2 .

It is not a de Polignac number, because 151708489 - 2³ = 151708481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151708481) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1342497 + ... + 1342609.

Almost surely, 2^151708489 is an apocalyptic number.

151708489 is the 12317-th square number.

151708489 is the 6159-th centered octagonal number.

It is an amenable number.

151708489 is a deficient number, since it is larger than the sum of its proper divisors (2771564).

151708489 is an frugal number, since it uses more digits than its factorization.

151708489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 43.

The cubic root of 151708489 is about 533.3389410435.

The spelling of 151708489 in words is "one hundred fifty-one million, seven hundred eight thousand, four hundred eighty-nine".