142893984 has 48 divisors (see below), whose sum is σ = 394843680. Its totient is φ = 45123840.

The previous prime is 142893977. The next prime is 142894001. The reversal of 142893984 is 489398241.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 37347 + ... + 40994.

It is an arithmetic number, because the mean of its divisors is an integer number (8225910).

Almost surely, 2^142893984 is an apocalyptic number.

It is an amenable number.

142893984 is an abundant number, since it is smaller than the sum of its proper divisors (251949696).

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

142893984 is a wasteful number, since it uses less digits than its factorization.

142893984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78373 (or 78365 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The square root of 142893984 is about 11953.8271695721. The cubic root of 142893984 is about 522.8028923804.

The spelling of 142893984 in words is "one hundred forty-two million, eight hundred ninety-three thousand, nine hundred eighty-four".