142342342 has 4 divisors (see below), whose sum is σ = 213513516. Its totient is φ = 71171170.

The previous prime is 142342339. The next prime is 142342349. The reversal of 142342342 is 243243241.

It is a happy number.

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

It is a super-2 number, since 2×142342342² = 40522684652089928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142342349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35585584 + ... + 35585587.

It is an arithmetic number, because the mean of its divisors is an integer number (53378379).

Almost surely, 2^142342342 is an apocalyptic number.

142342342 is a deficient number, since it is larger than the sum of its proper divisors (71171174).

142342342 is an equidigital number, since it uses as much as digits as its factorization.

142342342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71171173.

The product of its digits is 4608, while the sum is 25.

The square root of 142342342 is about 11930.7309918546. The cubic root of 142342342 is about 522.1292648754.

Adding to 142342342 its reverse (243243241), we get a palindrome (385585583).

The spelling of 142342342 in words is "one hundred forty-two million, three hundred forty-two thousand, three hundred forty-two".