142318082 has 4 divisors (see below), whose sum is σ = 213477126. Its totient is φ = 71159040.

The previous prime is 142318081. The next prime is 142318103. The reversal of 142318082 is 280813241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 280813241 = 1367 ⋅205423.

It can be written as a sum of positive squares in only one way, i.e., 136212241 + 6105841 = 11671^2 + 2471^2 .

It is not an unprimeable number, because it can be changed into a prime (142318081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35579519 + ... + 35579522.

Almost surely, 2^142318082 is an apocalyptic number.

142318082 is a deficient number, since it is larger than the sum of its proper divisors (71159044).

142318082 is an equidigital number, since it uses as much as digits as its factorization.

142318082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71159043.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 142318082 is about 11929.7142463682. The cubic root of 142318082 is about 522.0996002994.

The spelling of 142318082 in words is "one hundred forty-two million, three hundred eighteen thousand, eighty-two".