156221444055244 has 72 divisors (see below), whose sum is σ = 292841290030464. Its totient is φ = 72669154176000.

The previous prime is 156221444055223. The next prime is 156221444055277. The reversal of 156221444055244 is 442550444122651.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 425034789 + ... + 425402179.

It is an arithmetic number, because the mean of its divisors is an integer number (4067240139312).

Almost surely, 2^{156221444055244} is an apocalyptic number.

It is an amenable number.

156221444055244 is a deficient number, since it is larger than the sum of its proper divisors (136619845975220).

156221444055244 is a wasteful number, since it uses less digits than its factorization.

156221444055244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368227 (or 368124 counting only the distinct ones).

The product of its (nonzero) digits is 6144000, while the sum is 49.

Adding to 156221444055244 its reverse (442550444122651), we get a palindrome (598771888177895).

The spelling of 156221444055244 in words is "one hundred fifty-six trillion, two hundred twenty-one billion, four hundred forty-four million, fifty-five thousand, two hundred forty-four".