156061223 has 4 divisors (see below), whose sum is σ = 161095488. Its totient is φ = 151026960.

The previous prime is 156061189. The next prime is 156061247. The reversal of 156061223 is 322160651.

156061223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-156061223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 156061192 and 156061201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156661223) 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, 2517086 + ... + 2517147.

It is an arithmetic number, because the mean of its divisors is an integer number (40273872).

Almost surely, 2^156061223 is an apocalyptic number.

156061223 is a deficient number, since it is larger than the sum of its proper divisors (5034265).

156061223 is an equidigital number, since it uses as much as digits as its factorization.

156061223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5034264.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 156061223 is about 12492.4466378688. The cubic root of 156061223 is about 538.3916743114.

The spelling of 156061223 in words is "one hundred fifty-six million, sixty-one thousand, two hundred twenty-three".