156942841 has 4 divisors (see below), whose sum is σ = 171210384. Its totient is φ = 142675300.

The previous prime is 156942839. The next prime is 156942853. The reversal of 156942841 is 148249651.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 156942841 - 2¹ = 156942839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 156942794 and 156942803.

It is not an unprimeable number, because it can be changed into a prime (156942811) 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, 7133755 + ... + 7133776.

It is an arithmetic number, because the mean of its divisors is an integer number (42802596).

Almost surely, 2^156942841 is an apocalyptic number.

156942841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

156942841 is a deficient number, since it is larger than the sum of its proper divisors (14267543).

156942841 is a wasteful number, since it uses less digits than its factorization.

156942841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14267542.

The product of its digits is 69120, while the sum is 40.

The square root of 156942841 is about 12527.6829860912. The cubic root of 156942841 is about 539.4035950846.

The spelling of 156942841 in words is "one hundred fifty-six million, nine hundred forty-two thousand, eight hundred forty-one".