159452020097 has 4 divisors (see below), whose sum is σ = 159461588820. Its totient is φ = 159442451376.

The previous prime is 159452020069. The next prime is 159452020103. The reversal of 159452020097 is 790020254951.

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

It can be written as a sum of positive squares in 2 ways, for example, as 86618964721 + 72833055376 = 294311^2 + 269876^2 .

It is a cyclic number.

It is not a de Polignac number, because 159452020097 - 2³⁰ = 158378278273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159452020067) 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, 4759322 + ... + 4792707.

It is an arithmetic number, because the mean of its divisors is an integer number (39865397205).

Almost surely, 2^159452020097 is an apocalyptic number.

It is an amenable number.

159452020097 is a deficient number, since it is larger than the sum of its proper divisors (9568723).

159452020097 is an equidigital number, since it uses as much as digits as its factorization.

159452020097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9568722.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 159452020097 in words is "one hundred fifty-nine billion, four hundred fifty-two million, twenty thousand, ninety-seven".