156943047 has 8 divisors (see below), whose sum is σ = 209744640. Its totient is φ = 104385080.

The previous prime is 156943043. The next prime is 156943063. The reversal of 156943047 is 740349651.

156943047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 156943047 - 2² = 156943043 is a prime.

It is a super-2 number, since 2×156943047² = 49262240003288418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 156942996 and 156943014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156943043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59397 + ... + 61982.

It is an arithmetic number, because the mean of its divisors is an integer number (26218080).

Almost surely, 2^156943047 is an apocalyptic number.

156943047 is a deficient number, since it is larger than the sum of its proper divisors (52801593).

156943047 is a wasteful number, since it uses less digits than its factorization.

156943047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121813.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 156943047 is about 12527.6912078802. The cubic root of 156943047 is about 539.4038310880.

The spelling of 156943047 in words is "one hundred fifty-six million, nine hundred forty-three thousand, forty-seven".