142343394 has 8 divisors (see below), whose sum is σ = 284686800. Its totient is φ = 47447796.

The previous prime is 142343393. The next prime is 142343417. The reversal of 142343394 is 493343241.

142343394 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

142343394 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (142343393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11861944 + ... + 11861955.

It is an arithmetic number, because the mean of its divisors is an integer number (35585850).

Almost surely, 2^142343394 is an apocalyptic number.

142343394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

142343394 is a wasteful number, since it uses less digits than its factorization.

142343394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23723904.

The product of its digits is 31104, while the sum is 33.

The square root of 142343394 is about 11930.7750795998. The cubic root of 142343394 is about 522.1305511608.

The spelling of 142343394 in words is "one hundred forty-two million, three hundred forty-three thousand, three hundred ninety-four".