142841980 has 24 divisors (see below), whose sum is σ = 302335488. Its totient is φ = 56685888.

The previous prime is 142841971. The next prime is 142842031. The reversal of 142841980 is 89148241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25579 + ... + 30658.

It is an arithmetic number, because the mean of its divisors is an integer number (12597312).

Almost surely, 2^142841980 is an apocalyptic number.

142841980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142841980 is an abundant number, since it is smaller than the sum of its proper divisors (159493508).

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

142841980 is a wasteful number, since it uses less digits than its factorization.

142841980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56373 (or 56371 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 142841980 is about 11951.6517686887. The cubic root of 142841980 is about 522.7394627437.

The spelling of 142841980 in words is "one hundred forty-two million, eight hundred forty-one thousand, nine hundred eighty".