151508 has 18 divisors (see below), whose sum is σ = 308826. Its totient is φ = 64848.

The previous prime is 151507. The next prime is 151517. The reversal of 151508 is 805151.

It can be written as a sum of positive squares in only one way, i.e., 94864 + 56644 = 308^2 + 238^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 151508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151507) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 191 + ... + 582.

It is an arithmetic number, because the mean of its divisors is an integer number (17157).

2¹⁵¹⁵⁰⁸ is an apocalyptic number.

It is an amenable number.

151508 is an abundant number, since it is smaller than the sum of its proper divisors (157318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151508 is a wasteful number, since it uses less digits than its factorization.

151508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 151508 is about 389.2402856848. The cubic root of 151508 is about 53.3103894366.

Adding to 151508 its reverse (805151), we get a palindrome (956659).

The spelling of 151508 in words is "one hundred fifty-one thousand, five hundred eight".