159938451 has 12 divisors (see below), whose sum is σ = 238988880. Its totient is φ = 102948720.

The previous prime is 159938437. The next prime is 159938459. The reversal of 159938451 is 154839951.

159938451 is a `hidden beast` number, since 1 + 599 + 3 + 8 + 4 + 51 = 666.

159938451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 159938451 - 2¹⁴ = 159922067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 159938397 and 159938406.

It is not an unprimeable number, because it can be changed into a prime (159938459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 306135 + ... + 306656.

It is an arithmetic number, because the mean of its divisors is an integer number (19915740).

Almost surely, 2^159938451 is an apocalyptic number.

159938451 is a deficient number, since it is larger than the sum of its proper divisors (79050429).

159938451 is a wasteful number, since it uses less digits than its factorization.

159938451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612826 (or 612823 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 159938451 is about 12646.6774688058. The cubic root of 159938451 is about 542.8139020201.

The spelling of 159938451 in words is "one hundred fifty-nine million, nine hundred thirty-eight thousand, four hundred fifty-one".