156222542 has 16 divisors (see below), whose sum is σ = 267987552. Its totient is φ = 66908160.

The previous prime is 156222491. The next prime is 156222551. The reversal of 156222542 is 245222651.

156222542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26942 + ... + 32222.

It is an arithmetic number, because the mean of its divisors is an integer number (16749222).

Almost surely, 2^156222542 is an apocalyptic number.

156222542 is a deficient number, since it is larger than the sum of its proper divisors (111765010).

156222542 is a wasteful number, since it uses less digits than its factorization.

156222542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7403.

The product of its digits is 9600, while the sum is 29.

The square root of 156222542 is about 12498.9016317435. The cubic root of 156222542 is about 538.5771205436.

The spelling of 156222542 in words is "one hundred fifty-six million, two hundred twenty-two thousand, five hundred forty-two".