142702834 has 4 divisors (see below), whose sum is σ = 214054254. Its totient is φ = 71351416.

The previous prime is 142702817. The next prime is 142702883. The reversal of 142702834 is 438207241.

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

It can be written as a sum of positive squares in only one way, i.e., 85655025 + 57047809 = 9255^2 + 7553^2 .

It is a Smith number, since the sum of its digits (31) 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 = 142702796 and 142702805.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35675707 + ... + 35675710.

Almost surely, 2^142702834 is an apocalyptic number.

142702834 is a deficient number, since it is larger than the sum of its proper divisors (71351420).

142702834 is an equidigital number, since it uses as much as digits as its factorization.

142702834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71351419.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 142702834 is about 11945.8291466101. The cubic root of 142702834 is about 522.5696696702.

The spelling of 142702834 in words is "one hundred forty-two million, seven hundred two thousand, eight hundred thirty-four".