143232621615136 has 96 divisors (see below), whose sum is σ = 290023926192000. Its totient is φ = 69592865126400.

The previous prime is 143232621615101. The next prime is 143232621615211. The reversal of 143232621615136 is 631516126232341.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4463588980 + ... + 4463621068.

It is an arithmetic number, because the mean of its divisors is an integer number (3021082564500).

Almost surely, 2^{143232621615136} is an apocalyptic number.

143232621615136 is a gapful number since it is divisible by the number (16) 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 143232621615136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145011963096000).

143232621615136 is an abundant number, since it is smaller than the sum of its proper divisors (146791304576864).

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

143232621615136 is a wasteful number, since it uses less digits than its factorization.

143232621615136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48642 (or 48634 counting only the distinct ones).

The product of its digits is 933120, while the sum is 46.

Adding to 143232621615136 its reverse (631516126232341), we get a palindrome (774748747847477).

The spelling of 143232621615136 in words is "one hundred forty-three trillion, two hundred thirty-two billion, six hundred twenty-one million, six hundred fifteen thousand, one hundred thirty-six".