142737984 has 224 divisors, whose sum is σ = 458663040. Its totient is φ = 43352064.

The previous prime is 142737983. The next prime is 142737997. The reversal of 142737984 is 489737241.

It is not an unprimeable number, because it can be changed into a prime (142737983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1263112 + ... + 1263224.

Almost surely, 2^142737984 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 142737984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229331520).

142737984 is an abundant number, since it is smaller than the sum of its proper divisors (315925056).

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

142737984 is a wasteful number, since it uses less digits than its factorization.

142737984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 178 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 142737984 is about 11947.3002808166. The cubic root of 142737984 is about 522.6125719155.

The spelling of 142737984 in words is "one hundred forty-two million, seven hundred thirty-seven thousand, nine hundred eighty-four".