156142266 has 64 divisors (see below), whose sum is σ = 377395200. Its totient is φ = 42071616.

The previous prime is 156142243. The next prime is 156142267. The reversal of 156142266 is 662241651.

156142266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×156142266² = 48760814463229512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (156142267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310171 + ... + 310673.

It is an arithmetic number, because the mean of its divisors is an integer number (5896800).

Almost surely, 2^156142266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156142266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188697600).

156142266 is an abundant number, since it is smaller than the sum of its proper divisors (221252934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156142266 is a wasteful number, since it uses less digits than its factorization.

156142266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923.

The product of its digits is 17280, while the sum is 33.

The square root of 156142266 is about 12495.6898969205. The cubic root of 156142266 is about 538.4848542505.

The spelling of 156142266 in words is "one hundred fifty-six million, one hundred forty-two thousand, two hundred sixty-six".