142340015 has 8 divisors (see below), whose sum is σ = 172112688. Its totient is φ = 113002240.

The previous prime is 142339979. The next prime is 142340021. The reversal of 142340015 is 510043241.

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

It is not a de Polignac number, because 142340015 - 2¹⁰ = 142338991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108002 + ... + 109311.

It is an arithmetic number, because the mean of its divisors is an integer number (21514086).

Almost surely, 2^142340015 is an apocalyptic number.

142340015 is a deficient number, since it is larger than the sum of its proper divisors (29772673).

142340015 is a wasteful number, since it uses less digits than its factorization.

142340015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217449.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 142340015 is about 11930.6334701893. The cubic root of 142340015 is about 522.1264196189.

Adding to 142340015 its reverse (510043241), we get a palindrome (652383256).

The spelling of 142340015 in words is "one hundred forty-two million, three hundred forty thousand, fifteen".