151423022556 has 144 divisors (see below), whose sum is σ = 414114494976. Its totient is φ = 46376733312.

The previous prime is 151423022537. The next prime is 151423022579. The reversal of 151423022556 is 655220324151.

151423022556 is a `hidden beast` number, since 1 + 5 + 1 + 423 + 0 + 225 + 5 + 6 = 666.

151423022556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 151423022556.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 154041241 + ... + 154042223.

It is an arithmetic number, because the mean of its divisors is an integer number (2875795104).

Almost surely, 2^151423022556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151423022556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207057247488).

151423022556 is an abundant number, since it is smaller than the sum of its proper divisors (262691472420).

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

151423022556 is a wasteful number, since it uses less digits than its factorization.

151423022556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192 (or 2187 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 151423022556 in words is "one hundred fifty-one billion, four hundred twenty-three million, twenty-two thousand, five hundred fifty-six".