142689848 has 64 divisors (see below), whose sum is σ = 327456000. Its totient is φ = 56927232.

The previous prime is 142689847. The next prime is 142689851. The reversal of 142689848 is 848986241.

It is a junction number, because it is equal to n+sod(n) for n = 142689796 and 142689805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142689847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61640 + ... + 63912.

It is an arithmetic number, because the mean of its divisors is an integer number (5116500).

Almost surely, 2^142689848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142689848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163728000).

142689848 is an abundant number, since it is smaller than the sum of its proper divisors (184766152).

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

142689848 is a wasteful number, since it uses less digits than its factorization.

142689848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364 (or 2360 counting only the distinct ones).

The product of its digits is 884736, while the sum is 50.

The square root of 142689848 is about 11945.2855972555. The cubic root of 142689848 is about 522.5538178580.

It can be divided in two parts, 14 and 2689848, that added together give a palindrome (2689862).

The spelling of 142689848 in words is "one hundred forty-two million, six hundred eighty-nine thousand, eight hundred forty-eight".