156156047 has 4 divisors (see below), whose sum is σ = 156181080. Its totient is φ = 156131016.

The previous prime is 156156031. The next prime is 156156053. The reversal of 156156047 is 740651651.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 156156047 - 2⁴ = 156156031 is a prime.

It is a super-2 number, since 2×156156047² = 48769422029332418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 156155998 and 156156016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156156017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5204 + ... + 18422.

It is an arithmetic number, because the mean of its divisors is an integer number (39045270).

Almost surely, 2^156156047 is an apocalyptic number.

156156047 is a deficient number, since it is larger than the sum of its proper divisors (25033).

156156047 is a wasteful number, since it uses less digits than its factorization.

156156047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25032.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 156156047 is about 12496.2413148915. The cubic root of 156156047 is about 538.5006958750.

The spelling of 156156047 in words is "one hundred fifty-six million, one hundred fifty-six thousand, forty-seven".