142347238 has 16 divisors (see below), whose sum is σ = 233142336. Its totient is φ = 64644840.

The previous prime is 142347229. The next prime is 142347263. The reversal of 142347238 is 832743241.

142347238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30445 + ... + 34807.

It is an arithmetic number, because the mean of its divisors is an integer number (14571396).

Almost surely, 2^142347238 is an apocalyptic number.

142347238 is a deficient number, since it is larger than the sum of its proper divisors (90795098).

142347238 is a wasteful number, since it uses less digits than its factorization.

142347238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5859.

The product of its digits is 32256, while the sum is 34.

The square root of 142347238 is about 11930.9361745003. The cubic root of 142347238 is about 522.1352511840.

The spelling of 142347238 in words is "one hundred forty-two million, three hundred forty-seven thousand, two hundred thirty-eight".