142860144 has 80 divisors (see below), whose sum is σ = 424155392. Its totient is φ = 40587264.

The previous prime is 142860143. The next prime is 142860161. The reversal of 142860144 is 441068241.

142860144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142860143) 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, 63747 + ... + 65949.

Almost surely, 2^142860144 is an apocalyptic number.

142860144 is a gapful number since it is divisible by the number (14) 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 142860144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212077696).

142860144 is an abundant number, since it is smaller than the sum of its proper divisors (281295248).

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

142860144 is a wasteful number, since it uses less digits than its factorization.

142860144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414 (or 2408 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 142860144 is about 11952.4116394977. The cubic root of 142860144 is about 522.7616192488.

The spelling of 142860144 in words is "one hundred forty-two million, eight hundred sixty thousand, one hundred forty-four".