159454870631 has 4 divisors (see below), whose sum is σ = 182234137872. Its totient is φ = 136675603392.

The previous prime is 159454870583. The next prime is 159454870727. The reversal of 159454870631 is 136078454951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136078454951 = 283 ⋅480842597.

It is a cyclic number.

It is not a de Polignac number, because 159454870631 - 2³⁴ = 142275001447 is a prime.

It is a super-2 number, since 2×159454870631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159454872631) 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, 11389633610 + ... + 11389633623.

It is an arithmetic number, because the mean of its divisors is an integer number (45558534468).

Almost surely, 2^159454870631 is an apocalyptic number.

159454870631 is a deficient number, since it is larger than the sum of its proper divisors (22779267241).

159454870631 is an equidigital number, since it uses as much as digits as its factorization.

159454870631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22779267240.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 159454870631 in words is "one hundred fifty-nine billion, four hundred fifty-four million, eight hundred seventy thousand, six hundred thirty-one".