144671899596 has 72 divisors (see below), whose sum is σ = 389433547776. Its totient is φ = 40948249440.

The previous prime is 144671899591. The next prime is 144671899609. The reversal of 144671899596 is 695998176441.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 144671899596.

It is not an unprimeable number, because it can be changed into a prime (144671899591) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 886501 + ... + 1036931.

Almost surely, 2^144671899596 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 144671899596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194716773888).

144671899596 is an abundant number, since it is smaller than the sum of its proper divisors (244761648180).

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

144671899596 is a wasteful number, since it uses less digits than its factorization.

144671899596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150659 (or 150550 counting only the distinct ones).

The product of its digits is 117573120, while the sum is 69.

The spelling of 144671899596 in words is "one hundred forty-four billion, six hundred seventy-one million, eight hundred ninety-nine thousand, five hundred ninety-six".