156427 has 4 divisors (see below), whose sum is σ = 164680. Its totient is φ = 148176.

The previous prime is 156421. The next prime is 156437. The reversal of 156427 is 724651.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 156427 - 2³ = 156419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156421) 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, 4098 + ... + 4135.

It is an arithmetic number, because the mean of its divisors is an integer number (41170).

2¹⁵⁶⁴²⁷ is an apocalyptic number.

156427 is a deficient number, since it is larger than the sum of its proper divisors (8253).

156427 is an equidigital number, since it uses as much as digits as its factorization.

156427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8252.

The product of its digits is 1680, while the sum is 25.

The square root of 156427 is about 395.5085334098. The cubic root of 156427 is about 53.8811974395.

The spelling of 156427 in words is "one hundred fifty-six thousand, four hundred twenty-seven".