151559 has 4 divisors (see below), whose sum is σ = 156480. Its totient is φ = 146640.

The previous prime is 151553. The next prime is 151561. The reversal of 151559 is 955151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 955151 = 59 ⋅16189.

It is a cyclic number.

It is not a de Polignac number, because 151559 - 2⁸ = 151303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2414 + ... + 2475.

It is an arithmetic number, because the mean of its divisors is an integer number (39120).

2¹⁵¹⁵⁵⁹ is an apocalyptic number.

151559 is a deficient number, since it is larger than the sum of its proper divisors (4921).

151559 is an equidigital number, since it uses as much as digits as its factorization.

151559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4920.

The product of its digits is 1125, while the sum is 26.

The square root of 151559 is about 389.3057924049. The cubic root of 151559 is about 53.3163704735.

The spelling of 151559 in words is "one hundred fifty-one thousand, five hundred fifty-nine".