142273734 has 16 divisors (see below), whose sum is σ = 284828400. Its totient is φ = 47377760.

The previous prime is 142273723. The next prime is 142273741. The reversal of 142273734 is 437372241.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 142273695 and 142273704.

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, 4809 + ... + 17540.

It is an arithmetic number, because the mean of its divisors is an integer number (17801775).

Almost surely, 2^142273734 is an apocalyptic number.

142273734 is an abundant number, since it is smaller than the sum of its proper divisors (142554666).

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

142273734 is a wasteful number, since it uses less digits than its factorization.

142273734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23415.

The product of its digits is 28224, while the sum is 33.

The square root of 142273734 is about 11927.8553814171. The cubic root of 142273734 is about 522.0453638590.

The spelling of 142273734 in words is "one hundred forty-two million, two hundred seventy-three thousand, seven hundred thirty-four".