142886632140 has 288 divisors, whose sum is σ = 522331031040. Its totient is φ = 30886272000.

The previous prime is 142886632093. The next prime is 142886632157. The reversal of 142886632140 is 41236688241.

142886632140 is a `hidden beast` number, since 1 + 4 + 2 + 8 + 8 + 6 + 632 + 1 + 4 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14382975 + ... + 14392905.

Almost surely, 2^142886632140 is an apocalyptic number.

142886632140 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 142886632140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261165515520).

142886632140 is an abundant number, since it is smaller than the sum of its proper divisors (379444398900).

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

142886632140 is a wasteful number, since it uses less digits than its factorization.

142886632140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10573 (or 10568 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 142886632140 in words is "one hundred forty-two billion, eight hundred eighty-six million, six hundred thirty-two thousand, one hundred forty".