142493342 has 4 divisors (see below), whose sum is σ = 213740016. Its totient is φ = 71246670.

The previous prime is 142493333. The next prime is 142493347. The reversal of 142493342 is 243394241.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 142493299 and 142493308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142493347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35623334 + ... + 35623337.

It is an arithmetic number, because the mean of its divisors is an integer number (53435004).

Almost surely, 2^142493342 is an apocalyptic number.

142493342 is a deficient number, since it is larger than the sum of its proper divisors (71246674).

142493342 is an equidigital number, since it uses as much as digits as its factorization.

142493342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71246673.

The product of its digits is 20736, while the sum is 32.

The square root of 142493342 is about 11937.0575101237. The cubic root of 142493342 is about 522.3138285017.

The spelling of 142493342 in words is "one hundred forty-two million, four hundred ninety-three thousand, three hundred forty-two".