142825715 has 8 divisors (see below), whose sum is σ = 175037760. Its totient is φ = 111829312.

The previous prime is 142825703. The next prime is 142825723. The reversal of 142825715 is 517528241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142825715 is a prime.

It is a super-2 number, since 2×142825715² = 40798369730522450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303650 + ... + 304119.

It is an arithmetic number, because the mean of its divisors is an integer number (21879720).

Almost surely, 2^142825715 is an apocalyptic number.

142825715 is a deficient number, since it is larger than the sum of its proper divisors (32212045).

142825715 is an equidigital number, since it uses as much as digits as its factorization.

142825715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607821.

The product of its digits is 22400, while the sum is 35.

The square root of 142825715 is about 11950.9712994384. The cubic root of 142825715 is about 522.7196210509.

The spelling of 142825715 in words is "one hundred forty-two million, eight hundred twenty-five thousand, seven hundred fifteen".