154081763556 has 144 divisors (see below), whose sum is σ = 426217647744. Its totient is φ = 42408603648.

The previous prime is 154081763551. The next prime is 154081763587. The reversal of 154081763556 is 655367180451.

It is a junction number, because it is equal to n+sod(n) for n = 154081763499 and 154081763508.

It is not an unprimeable number, because it can be changed into a prime (154081763551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32970436 + ... + 32975108.

It is an arithmetic number, because the mean of its divisors is an integer number (2959844776).

Almost surely, 2^154081763556 is an apocalyptic number.

It is a pronic number, being equal to 392532×392533.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154081763556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213108823872).

154081763556 is an abundant number, since it is smaller than the sum of its proper divisors (272135884188).

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

154081763556 is a wasteful number, since it uses less digits than its factorization.

154081763556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4930 (or 4825 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 51.

The spelling of 154081763556 in words is "one hundred fifty-four billion, eighty-one million, seven hundred sixty-three thousand, five hundred fifty-six".