142384312 has 16 divisors (see below), whose sum is σ = 305109360. Its totient is φ = 61021824.

The previous prime is 142384303. The next prime is 142384331. The reversal of 142384312 is 213483241.

142384312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271233 + ... + 1271344.

It is an arithmetic number, because the mean of its divisors is an integer number (19069335).

Almost surely, 2^142384312 is an apocalyptic number.

It is an amenable number.

142384312 is an abundant number, since it is smaller than the sum of its proper divisors (162725048).

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

142384312 is a wasteful number, since it uses less digits than its factorization.

142384312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542590 (or 2542586 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 142384312 is about 11932.4897653424. The cubic root of 142384312 is about 522.1805768779.

The spelling of 142384312 in words is "one hundred forty-two million, three hundred eighty-four thousand, three hundred twelve".