142731395500 has 48 divisors (see below), whose sum is σ = 312045499584. Its totient is φ = 57033926400.

The previous prime is 142731395491. The next prime is 142731395539. The reversal of 142731395500 is 5593137241.

It is a super-3 number, since 3×142731395500³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342409 + ... + 634591.

It is an arithmetic number, because the mean of its divisors is an integer number (6500947908).

Almost surely, 2^142731395500 is an apocalyptic number.

142731395500 is a gapful number since it is divisible by the number (10) 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 142731395500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156022749792).

142731395500 is an abundant number, since it is smaller than the sum of its proper divisors (169314104084).

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

142731395500 is a wasteful number, since it uses less digits than its factorization.

142731395500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293179 (or 293167 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 142731395500 in words is "one hundred forty-two billion, seven hundred thirty-one million, three hundred ninety-five thousand, five hundred".