143721138780 has 48 divisors (see below), whose sum is σ = 447132433440. Its totient is φ = 38325636864.

The previous prime is 143721138739. The next prime is 143721138851. The reversal of 143721138780 is 87831127341.

143721138780 is a `hidden beast` number, since 1 + 437 + 2 + 1 + 138 + 7 + 80 = 666.

143721138780 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent 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, 133074589 + ... + 133075668.

It is an arithmetic number, because the mean of its divisors is an integer number (9315259030).

Almost surely, 2^143721138780 is an apocalyptic number.

143721138780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143721138780 is an abundant number, since it is smaller than the sum of its proper divisors (303411294660).

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

143721138780 is a wasteful number, since it uses less digits than its factorization.

143721138780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266150275 (or 266150267 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 143721138780 in words is "one hundred forty-three billion, seven hundred twenty-one million, one hundred thirty-eight thousand, seven hundred eighty".