159543057 has 8 divisors (see below), whose sum is σ = 223920160. Its totient is φ = 100764000.

The previous prime is 159543053. The next prime is 159543061. The reversal of 159543057 is 750345951.

It is an interprime number because it is at equal distance from previous prime (159543053) and next prime (159543061).

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

It is not a de Polignac number, because 159543057 - 2² = 159543053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159543053) 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, 1399444 + ... + 1399557.

It is an arithmetic number, because the mean of its divisors is an integer number (27990020).

Almost surely, 2^159543057 is an apocalyptic number.

It is an amenable number.

159543057 is a deficient number, since it is larger than the sum of its proper divisors (64377103).

159543057 is a wasteful number, since it uses less digits than its factorization.

159543057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2799023.

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 159543057 is about 12631.0354682425. The cubic root of 159543057 is about 542.3662246689.

The spelling of 159543057 in words is "one hundred fifty-nine million, five hundred forty-three thousand, fifty-seven".