142719984 has 90 divisors (see below), whose sum is σ = 439083008. Its totient is φ = 43243200.

The previous prime is 142719979. The next prime is 142720003. The reversal of 142719984 is 489917241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13329 + ... + 21519.

Almost surely, 2^142719984 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 142719984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219541504).

142719984 is an abundant number, since it is smaller than the sum of its proper divisors (296363024).

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

142719984 is a wasteful number, since it uses less digits than its factorization.

142719984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8227 (or 8207 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 142719984 is about 11946.5469488049. The cubic root of 142719984 is about 522.5906029402.

The spelling of 142719984 in words is "one hundred forty-two million, seven hundred nineteen thousand, nine hundred eighty-four".