156542468 has 6 divisors (see below), whose sum is σ = 273949326. Its totient is φ = 78271232.

The previous prime is 156542461. The next prime is 156542471. The reversal of 156542468 is 864245651.

156542468 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 91546624 + 64995844 = 9568^2 + 8062^2 .

It is not an unprimeable number, because it can be changed into a prime (156542461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19567805 + ... + 19567812.

It is an arithmetic number, because the mean of its divisors is an integer number (45658221).

Almost surely, 2^156542468 is an apocalyptic number.

It is an amenable number.

156542468 is a deficient number, since it is larger than the sum of its proper divisors (117406858).

156542468 is a wasteful number, since it uses less digits than its factorization.

156542468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39135621 (or 39135619 counting only the distinct ones).

The product of its digits is 230400, while the sum is 41.

The square root of 156542468 is about 12511.6932507155. The cubic root of 156542468 is about 538.9445180930.

The spelling of 156542468 in words is "one hundred fifty-six million, five hundred forty-two thousand, four hundred sixty-eight".