156281281284 has 24 divisors (see below), whose sum is σ = 370836940320. Its totient is φ = 51210815104.

The previous prime is 156281281241. The next prime is 156281281301. The reversal of 156281281284 is 482182182651.

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, 110367429 + ... + 110368844.

It is an arithmetic number, because the mean of its divisors is an integer number (15451539180).

Almost surely, 2^156281281284 is an apocalyptic number.

It is an amenable number.

156281281284 is an abundant number, since it is smaller than the sum of its proper divisors (214555659036).

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

156281281284 is a wasteful number, since it uses less digits than its factorization.

156281281284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220736339 (or 220736337 counting only the distinct ones).

The product of its digits is 491520, while the sum is 48.

The spelling of 156281281284 in words is "one hundred fifty-six billion, two hundred eighty-one million, two hundred eighty-one thousand, two hundred eighty-four".