154969482380920 has 256 divisors, whose sum is σ = 381234499430400. Its totient is φ = 56473719644160.

The previous prime is 154969482380887. The next prime is 154969482380989. The reversal of 154969482380920 is 29083284969451.

154969482380920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 154969482380920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1005937419 + ... + 1006091461.

It is an arithmetic number, because the mean of its divisors is an integer number (1489197263400).

Almost surely, 2^{154969482380920} is an apocalyptic number.

154969482380920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154969482380920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190617249715200).

154969482380920 is an abundant number, since it is smaller than the sum of its proper divisors (226265017049480).

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

154969482380920 is a wasteful number, since it uses less digits than its factorization.

154969482380920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154518 (or 154514 counting only the distinct ones).

The product of its (nonzero) digits is 268738560, while the sum is 70.

The spelling of 154969482380920 in words is "one hundred fifty-four trillion, nine hundred sixty-nine billion, four hundred eighty-two million, three hundred eighty thousand, nine hundred twenty".