156970047 has 16 divisors (see below), whose sum is σ = 229648608. Its totient is φ = 94773120.

The previous prime is 156970007. The next prime is 156970063. The reversal of 156970047 is 740079651.

It is not a de Polignac number, because 156970047 - 2⁶ = 156969983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 156969987 and 156970014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156970007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35904 + ... + 40037.

It is an arithmetic number, because the mean of its divisors is an integer number (14353038).

Almost surely, 2^156970047 is an apocalyptic number.

156970047 is a deficient number, since it is larger than the sum of its proper divisors (72678561).

156970047 is a wasteful number, since it uses less digits than its factorization.

156970047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76010.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 156970047 is about 12528.7687743050. The cubic root of 156970047 is about 539.4347617740.

The spelling of 156970047 in words is "one hundred fifty-six million, nine hundred seventy thousand, forty-seven".