142745315 has 4 divisors (see below), whose sum is σ = 171294384. Its totient is φ = 114196248.

The previous prime is 142745303. The next prime is 142745341. The reversal of 142745315 is 513547241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142745315 - 2²⁴ = 125968099 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, 14274527 + ... + 14274536.

It is an arithmetic number, because the mean of its divisors is an integer number (42823596).

Almost surely, 2^142745315 is an apocalyptic number.

142745315 is a deficient number, since it is larger than the sum of its proper divisors (28549069).

142745315 is an equidigital number, since it uses as much as digits as its factorization.

142745315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28549068.

The product of its digits is 16800, while the sum is 32.

The square root of 142745315 is about 11947.6070825919. The cubic root of 142745315 is about 522.6215188617.

The spelling of 142745315 in words is "one hundred forty-two million, seven hundred forty-five thousand, three hundred fifteen".