156104643 has 4 divisors (see below), whose sum is σ = 208139528. Its totient is φ = 104069760.

The previous prime is 156104633. The next prime is 156104713. The reversal of 156104643 is 346401651.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346401651 = 3 ⋅115467217.

It is not a de Polignac number, because 156104643 - 2¹⁴ = 156088259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 156104643.

It is not an unprimeable number, because it can be changed into a prime (156104633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26017438 + ... + 26017443.

It is an arithmetic number, because the mean of its divisors is an integer number (52034882).

Almost surely, 2^156104643 is an apocalyptic number.

156104643 is a deficient number, since it is larger than the sum of its proper divisors (52034885).

156104643 is an equidigital number, since it uses as much as digits as its factorization.

156104643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52034884.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 156104643 is about 12494.1843671366. The cubic root of 156104643 is about 538.4416008688.

The spelling of 156104643 in words is "one hundred fifty-six million, one hundred four thousand, six hundred forty-three".