156145242 has 32 divisors (see below), whose sum is σ = 345775104. Its totient is φ = 46609200.

The previous prime is 156145201. The next prime is 156145277. The reversal of 156145242 is 242541651.

156145242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13234 + ... + 22077.

It is an arithmetic number, because the mean of its divisors is an integer number (10805472).

Almost surely, 2^156145242 is an apocalyptic number.

156145242 is an abundant number, since it is smaller than the sum of its proper divisors (189629862).

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

156145242 is a wasteful number, since it uses less digits than its factorization.

156145242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35394.

The product of its digits is 9600, while the sum is 30.

The square root of 156145242 is about 12495.8089774132. The cubic root of 156145242 is about 538.4882753202.

Adding to 156145242 its reverse (242541651), we get a palindrome (398686893).

The spelling of 156145242 in words is "one hundred fifty-six million, one hundred forty-five thousand, two hundred forty-two".