142313434 has 8 divisors (see below), whose sum is σ = 213700788. Its totient is φ = 71079840.

The previous prime is 142313429. The next prime is 142313441. The reversal of 142313434 is 434313241.

It can be written as a sum of positive squares in 2 ways, for example, as 141681409 + 632025 = 11903^2 + 795^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×142313434² = 40506226993744712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142313399 and 142313408.

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, 36097 + ... + 39844.

Almost surely, 2^142313434 is an apocalyptic number.

142313434 is a deficient number, since it is larger than the sum of its proper divisors (71387354).

142313434 is an equidigital number, since it uses as much as digits as its factorization.

142313434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76880.

The product of its digits is 3456, while the sum is 25.

The square root of 142313434 is about 11929.5194370939. The cubic root of 142313434 is about 522.0939164460.

Adding to 142313434 its reverse (434313241), we get a palindrome (576626675).

The spelling of 142313434 in words is "one hundred forty-two million, three hundred thirteen thousand, four hundred thirty-four".