159197456 has 20 divisors (see below), whose sum is σ = 336485904. Its totient is φ = 72362400.

The previous prime is 159197453. The next prime is 159197461. The reversal of 159197456 is 654791951.

It is a self number, because there is not a number n which added to its sum of digits gives 159197456.

It is not an unprimeable number, because it can be changed into a prime (159197453) 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, 452090 + ... + 452441.

Almost surely, 2^159197456 is an apocalyptic number.

159197456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

159197456 is an abundant number, since it is smaller than the sum of its proper divisors (177288448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159197456 is a wasteful number, since it uses less digits than its factorization.

159197456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904550 (or 904544 counting only the distinct ones).

The product of its digits is 340200, while the sum is 47.

The square root of 159197456 is about 12617.3474232899. The cubic root of 159197456 is about 541.9743183049.

The spelling of 159197456 in words is "one hundred fifty-nine million, one hundred ninety-seven thousand, four hundred fifty-six".