159042157 has 8 divisors (see below), whose sum is σ = 172505592. Its totient is φ = 146035200.

The previous prime is 159042139. The next prime is 159042173. The reversal of 159042157 is 751240951.

It can be written as a sum of positive squares in 4 ways, for example, as 27573001 + 131469156 = 5251^2 + 11466^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159042157 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 (159042557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113394 + ... + 114787.

It is an arithmetic number, because the mean of its divisors is an integer number (21563199).

Almost surely, 2^159042157 is an apocalyptic number.

159042157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

159042157 is a deficient number, since it is larger than the sum of its proper divisors (13463435).

159042157 is a wasteful number, since it uses less digits than its factorization.

159042157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228239.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 159042157 is about 12611.1917359146. The cubic root of 159042157 is about 541.7980268499.

The spelling of 159042157 in words is "one hundred fifty-nine million, forty-two thousand, one hundred fifty-seven".