142685315 has 4 divisors (see below), whose sum is σ = 171222384. Its totient is φ = 114148248.

The previous prime is 142685299. The next prime is 142685321. The reversal of 142685315 is 513586241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513586241 = 7 ⋅73369463.

It is a cyclic number.

It is not a de Polignac number, because 142685315 - 2⁴ = 142685299 is a prime.

It is a Duffinian number.

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, 14268527 + ... + 14268536.

It is an arithmetic number, because the mean of its divisors is an integer number (42805596).

Almost surely, 2^142685315 is an apocalyptic number.

142685315 is a deficient number, since it is larger than the sum of its proper divisors (28537069).

142685315 is an equidigital number, since it uses as much as digits as its factorization.

142685315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28537068.

The product of its digits is 28800, while the sum is 35.

The square root of 142685315 is about 11945.0958556221. The cubic root of 142685315 is about 522.5482842676.

The spelling of 142685315 in words is "one hundred forty-two million, six hundred eighty-five thousand, three hundred fifteen".