154244561441632 has 96 divisors (see below), whose sum is σ = 314236598860800. Its totient is φ = 74481795537408.

The previous prime is 154244561441573. The next prime is 154244561441651. The reversal of 154244561441632 is 236144165442451.

It is a self number, because there is not a number n which added to its sum of digits gives 154244561441632.

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 15 ways as a sum of consecutive naturals, for example, 70768843 + ... + 72915829.

It is an arithmetic number, because the mean of its divisors is an integer number (3273297904800).

Almost surely, 2^{154244561441632} 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 154244561441632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157118299430400).

154244561441632 is an abundant number, since it is smaller than the sum of its proper divisors (159992037419168).

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

154244561441632 is a wasteful number, since it uses less digits than its factorization.

154244561441632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147628 (or 2147620 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 52.

The spelling of 154244561441632 in words is "one hundred fifty-four trillion, two hundred forty-four billion, five hundred sixty-one million, four hundred forty-one thousand, six hundred thirty-two".