156140422 has 16 divisors (see below), whose sum is σ = 245567232. Its totient is φ = 74317320.

The previous prime is 156140381. The next prime is 156140441. The reversal of 156140422 is 224041651.

It is a happy number.

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, 1663 + ... + 17749.

It is an arithmetic number, because the mean of its divisors is an integer number (15347952).

Almost surely, 2^156140422 is an apocalyptic number.

156140422 is a deficient number, since it is larger than the sum of its proper divisors (89426810).

156140422 is a wasteful number, since it uses less digits than its factorization.

156140422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16323.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 156140422 is about 12495.6161112608. The cubic root of 156140422 is about 538.4827344529.

The spelling of 156140422 in words is "one hundred fifty-six million, one hundred forty thousand, four hundred twenty-two".