155223342045636 has 96 divisors (see below), whose sum is σ = 371286023391360. Its totient is φ = 50445821561856.

The previous prime is 155223342045623. The next prime is 155223342045647. The reversal of 155223342045636 is 636540243322551.

It is a happy number.

155223342045636 is digitally balanced in base 3, 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 31 ways as a sum of consecutive naturals, for example, 762932770 + ... + 763136198.

It is an arithmetic number, because the mean of its divisors is an integer number (3867562743660).

Almost surely, 2^{155223342045636} is an apocalyptic number.

It is an amenable number.

155223342045636 is an abundant number, since it is smaller than the sum of its proper divisors (216062681345724).

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

155223342045636 is a wasteful number, since it uses less digits than its factorization.

155223342045636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206165 (or 206163 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 51.

The spelling of 155223342045636 in words is "one hundred fifty-five trillion, two hundred twenty-three billion, three hundred forty-two million, forty-five thousand, six hundred thirty-six".