142313042 has 4 divisors (see below), whose sum is σ = 213469566. Its totient is φ = 71156520.

The previous prime is 142313023. The next prime is 142313053. The reversal of 142313042 is 240313241.

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., 112381201 + 29931841 = 10601^2 + 5471^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35578259 + ... + 35578262.

Almost surely, 2^142313042 is an apocalyptic number.

142313042 is a deficient number, since it is larger than the sum of its proper divisors (71156524).

142313042 is an equidigital number, since it uses as much as digits as its factorization.

142313042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71156523.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 142313042 is about 11929.5030072506. The cubic root of 142313042 is about 522.0934370792.

Adding to 142313042 its reverse (240313241), we get a palindrome (382626283).

The spelling of 142313042 in words is "one hundred forty-two million, three hundred thirteen thousand, forty-two".