159437855 has 4 divisors (see below), whose sum is σ = 191325432. Its totient is φ = 127550280.

The previous prime is 159437843. The next prime is 159437857. The reversal of 159437855 is 558734951.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 159437855 - 2²² = 155243551 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 (159437857) 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, 15943781 + ... + 15943790.

It is an arithmetic number, because the mean of its divisors is an integer number (47831358).

Almost surely, 2^159437855 is an apocalyptic number.

159437855 is a deficient number, since it is larger than the sum of its proper divisors (31887577).

159437855 is an equidigital number, since it uses as much as digits as its factorization.

159437855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31887576.

The product of its digits is 756000, while the sum is 47.

The square root of 159437855 is about 12626.8703565056. The cubic root of 159437855 is about 542.2469871446.

The spelling of 159437855 in words is "one hundred fifty-nine million, four hundred thirty-seven thousand, eight hundred fifty-five".