142540315 has 8 divisors (see below), whose sum is σ = 178485408. Its totient is φ = 109074240.

The previous prime is 142540301. The next prime is 142540327. The reversal of 142540315 is 513045241.

It is a happy number.

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

It is not a de Polignac number, because 142540315 - 2⁷ = 142540187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142540315.

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, 619626 + ... + 619855.

It is an arithmetic number, because the mean of its divisors is an integer number (22310676).

Almost surely, 2^142540315 is an apocalyptic number.

142540315 is a deficient number, since it is larger than the sum of its proper divisors (35945093).

142540315 is a wasteful number, since it uses less digits than its factorization.

142540315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239509.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 142540315 is about 11939.0248764294. The cubic root of 142540315 is about 522.3712158661.

Adding to 142540315 its reverse (513045241), we get a palindrome (655585556).

The spelling of 142540315 in words is "one hundred forty-two million, five hundred forty thousand, three hundred fifteen".