142441015 has 8 divisors (see below), whose sum is σ = 170993520. Its totient is φ = 113909952.

The previous prime is 142441003. The next prime is 142441021. The reversal of 142441015 is 510144241.

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

It is a cyclic number.

It is not a de Polignac number, because 142441015 - 2⁷ = 142440887 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21532 + ... + 27358.

It is an arithmetic number, because the mean of its divisors is an integer number (21374190).

Almost surely, 2^142441015 is an apocalyptic number.

142441015 is a deficient number, since it is larger than the sum of its proper divisors (28552505).

142441015 is an equidigital number, since it uses as much as digits as its factorization.

142441015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10721.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 142441015 is about 11934.8655208176. The cubic root of 142441015 is about 522.2498852523.

Adding to 142441015 its reverse (510144241), we get a palindrome (652585256).

The spelling of 142441015 in words is "one hundred forty-two million, four hundred forty-one thousand, fifteen".