159223539 has 16 divisors (see below), whose sum is σ = 217640192. Its totient is φ = 103487328.

The previous prime is 159223529. The next prime is 159223567. The reversal of 159223539 is 935322951.

It is a happy number.

It is not a de Polignac number, because 159223539 - 2⁵ = 159223507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 159223497 and 159223506.

It is not an unprimeable number, because it can be changed into a prime (159223529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109314 + ... + 110760.

It is an arithmetic number, because the mean of its divisors is an integer number (13602512).

Almost surely, 2^159223539 is an apocalyptic number.

159223539 is a deficient number, since it is larger than the sum of its proper divisors (58416653).

159223539 is a wasteful number, since it uses less digits than its factorization.

159223539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346.

The product of its digits is 72900, while the sum is 39.

The square root of 159223539 is about 12618.3809975765. The cubic root of 159223539 is about 542.0039158135.

The spelling of 159223539 in words is "one hundred fifty-nine million, two hundred twenty-three thousand, five hundred thirty-nine".