156047071 has 2 divisors, whose sum is σ = 156047072. Its totient is φ = 156047070.

The previous prime is 156047053. The next prime is 156047083. The reversal of 156047071 is 170740651.

It is a strong prime.

It is an emirp because it is prime and its reverse (170740651) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-156047071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (156047051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78023535 + 78023536.

It is an arithmetic number, because the mean of its divisors is an integer number (78023536).

Almost surely, 2^156047071 is an apocalyptic number.

156047071 is a deficient number, since it is larger than the sum of its proper divisors (1).

156047071 is an equidigital number, since it uses as much as digits as its factorization.

156047071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 156047071 is about 12491.8802027557. The cubic root of 156047071 is about 538.3753996102.

The spelling of 156047071 in words is "one hundred fifty-six million, forty-seven thousand, seventy-one".