159917450 has 96 divisors (see below), whose sum is σ = 376583040. Its totient is φ = 49075200.

The previous prime is 159917449. The next prime is 159917477. The reversal of 159917450 is 54719951.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 159917398 and 159917407.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 280766 + ... + 281334.

It is an arithmetic number, because the mean of its divisors is an integer number (3922740).

Almost surely, 2^159917450 is an apocalyptic number.

159917450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159917450 is an abundant number, since it is smaller than the sum of its proper divisors (216665590).

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

159917450 is a wasteful number, since it uses less digits than its factorization.

159917450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 41.

The square root of 159917450 is about 12645.8471444186. The cubic root of 159917450 is about 542.7901426017.

The spelling of 159917450 in words is "one hundred fifty-nine million, nine hundred seventeen thousand, four hundred fifty".