142371784 has 16 divisors (see below), whose sum is σ = 270932400. Its totient is φ = 70123152.

The previous prime is 142371781. The next prime is 142371791. The reversal of 142371784 is 487173241.

142371784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142371781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132274 + ... + 133345.

It is an arithmetic number, because the mean of its divisors is an integer number (16933275).

Almost surely, 2^142371784 is an apocalyptic number.

It is an amenable number.

142371784 is a deficient number, since it is larger than the sum of its proper divisors (128560616).

142371784 is a wasteful number, since it uses less digits than its factorization.

142371784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265692 (or 265688 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 142371784 is about 11931.9648004845. The cubic root of 142371784 is about 522.1652613560.

The spelling of 142371784 in words is "one hundred forty-two million, three hundred seventy-one thousand, seven hundred eighty-four".