142448447232 has 432 divisors, whose sum is σ = 527729976480. Its totient is φ = 37567660032.

The previous prime is 142448447201. The next prime is 142448447263. The reversal of 142448447232 is 232744844241.

142448447232 is a `hidden beast` number, since 142 + 4 + 4 + 8 + 4 + 472 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (142448447201) and next prime (142448447263).

It is a tau number, because it is divible by the number of its divisors (432).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4386768 + ... + 4419120.

Almost surely, 2^142448447232 is an apocalyptic number.

142448447232 is a gapful number since it is divisible by the number (12) 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 142448447232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263864988240).

142448447232 is an abundant number, since it is smaller than the sum of its proper divisors (385281529248).

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

142448447232 is a wasteful number, since it uses less digits than its factorization.

142448447232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32405 (or 32378 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 45.

The spelling of 142448447232 in words is "one hundred forty-two billion, four hundred forty-eight million, four hundred forty-seven thousand, two hundred thirty-two".