156000073 has 2 divisors, whose sum is σ = 156000074. Its totient is φ = 156000072.

The previous prime is 156000059. The next prime is 156000079. The reversal of 156000073 is 370000651.

156000073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104203264 + 51796809 = 10208^2 + 7197^2 .

It is a cyclic number.

It is not a de Polignac number, because 156000073 - 2²⁵ = 122445641 is a prime.

It is not a weakly prime, because it can be changed into another prime (156000079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78000036 + 78000037.

It is an arithmetic number, because the mean of its divisors is an integer number (78000037).

Almost surely, 2^156000073 is an apocalyptic number.

It is an amenable number.

156000073 is a deficient number, since it is larger than the sum of its proper divisors (1).

156000073 is an equidigital number, since it uses as much as digits as its factorization.

156000073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 156000073 is about 12489.9989191353. The cubic root of 156000073 is about 538.3213451776.

The spelling of 156000073 in words is "one hundred fifty-six million, seventy-three", and thus it is an aban number.