159155963 has 4 divisors (see below), whose sum is σ = 160210128. Its totient is φ = 158101800.

The previous prime is 159155947. The next prime is 159155977. The reversal of 159155963 is 369551951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 369551951 = 7559 ⋅48889.

It is a cyclic number.

It is not a de Polignac number, because 159155963 - 2⁴ = 159155947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159155923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526856 + ... + 527157.

It is an arithmetic number, because the mean of its divisors is an integer number (40052532).

Almost surely, 2^159155963 is an apocalyptic number.

159155963 is a deficient number, since it is larger than the sum of its proper divisors (1054165).

159155963 is a wasteful number, since it uses less digits than its factorization.

159155963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054164.

The product of its digits is 182250, while the sum is 44.

The square root of 159155963 is about 12615.7030323324. The cubic root of 159155963 is about 541.9272277400.

The spelling of 159155963 in words is "one hundred fifty-nine million, one hundred fifty-five thousand, nine hundred sixty-three".