142617742 has 8 divisors (see below), whose sum is σ = 216132336. Its totient is φ = 70573632.

The previous prime is 142617731. The next prime is 142617751. The reversal of 142617742 is 247716241.

It is a happy number.

142617742 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.

It is a junction number, because it is equal to n+sod(n) for n = 142617698 and 142617707.

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, 367378 + ... + 367765.

It is an arithmetic number, because the mean of its divisors is an integer number (27016542).

Almost surely, 2^142617742 is an apocalyptic number.

142617742 is a deficient number, since it is larger than the sum of its proper divisors (73514594).

142617742 is an equidigital number, since it uses as much as digits as its factorization.

142617742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735242.

The product of its digits is 18816, while the sum is 34.

The square root of 142617742 is about 11942.2670377111. The cubic root of 142617742 is about 522.4657816621.

The spelling of 142617742 in words is "one hundred forty-two million, six hundred seventeen thousand, seven hundred forty-two".