156073 has 4 divisors (see below), whose sum is σ = 157780. Its totient is φ = 154368.

The previous prime is 156071. The next prime is 156089. The reversal of 156073 is 370651.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 370651 = 17 ⋅21803.

It can be written as a sum of positive squares in 2 ways, for example, as 121104 + 34969 = 348^2 + 187^2 .

It is a cyclic number.

It is not a de Polignac number, because 156073 - 2¹ = 156071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708 + ... + 901.

It is an arithmetic number, because the mean of its divisors is an integer number (39445).

2¹⁵⁶⁰⁷³ is an apocalyptic number.

It is an amenable number.

156073 is a deficient number, since it is larger than the sum of its proper divisors (1707).

156073 is an equidigital number, since it uses as much as digits as its factorization.

156073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706.

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

The square root of 156073 is about 395.0607548213. The cubic root of 156073 is about 53.8405217029.

The spelling of 156073 in words is "one hundred fifty-six thousand, seventy-three".