142687872 has 256 divisors, whose sum is σ = 462672000. Its totient is φ = 43130880.

The previous prime is 142687861. The next prime is 142687877. The reversal of 142687872 is 278786241.

142687872 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142687877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2692198 + ... + 2692250.

Almost surely, 2^142687872 is an apocalyptic number.

142687872 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 142687872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231336000).

142687872 is an abundant number, since it is smaller than the sum of its proper divisors (319984128).

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

142687872 is a wasteful number, since it uses less digits than its factorization.

142687872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 118 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 142687872 is about 11945.2028865147. The cubic root of 142687872 is about 522.5514057006.

It can be divided in two parts, 1426 and 87872, that added together give a palindrome (89298).

The spelling of 142687872 in words is "one hundred forty-two million, six hundred eighty-seven thousand, eight hundred seventy-two".