159790451 has 4 divisors (see below), whose sum is σ = 163506552. Its totient is φ = 156074352.

The previous prime is 159790447. The next prime is 159790469. The reversal of 159790451 is 154097951.

159790451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154097951 = 7 ⋅22013993.

It is a cyclic number.

It is not a de Polignac number, because 159790451 - 2² = 159790447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 159790399 and 159790408.

It is not an unprimeable number, because it can be changed into a prime (159790441) 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, 1857986 + ... + 1858071.

It is an arithmetic number, because the mean of its divisors is an integer number (40876638).

Almost surely, 2^159790451 is an apocalyptic number.

159790451 is a deficient number, since it is larger than the sum of its proper divisors (3716101).

159790451 is an equidigital number, since it uses as much as digits as its factorization.

159790451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3716100.

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

The square root of 159790451 is about 12640.8247753064. The cubic root of 159790451 is about 542.6464183210.

The spelling of 159790451 in words is "one hundred fifty-nine million, seven hundred ninety thousand, four hundred fifty-one".