142334784 has 84 divisors (see below), whose sum is σ = 422094660. Its totient is φ = 45803520.

The previous prime is 142334779. The next prime is 142334827. The reversal of 142334784 is 487433241.

142334784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 71774784 + 70560000 = 8472^2 + 8400^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12444 + ... + 20964.

Almost surely, 2^142334784 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 142334784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211047330).

142334784 is an abundant number, since it is smaller than the sum of its proper divisors (279759876).

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

142334784 is a wasteful number, since it uses less digits than its factorization.

142334784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8568 (or 8555 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 142334784 is about 11930.4142425986. The cubic root of 142334784 is about 522.1200234864.

The spelling of 142334784 in words is "one hundred forty-two million, three hundred thirty-four thousand, seven hundred eighty-four".