142232015 has 8 divisors (see below), whose sum is σ = 171119520. Its totient is φ = 113491552.

The previous prime is 142231981. The next prime is 142232017. The reversal of 142232015 is 510232241.

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-142232015 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142232017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34619 + ... + 38508.

It is an arithmetic number, because the mean of its divisors is an integer number (21389940).

Almost surely, 2^142232015 is an apocalyptic number.

142232015 is a deficient number, since it is larger than the sum of its proper divisors (28887505).

142232015 is an equidigital number, since it uses as much as digits as its factorization.

142232015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73521.

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

The square root of 142232015 is about 11926.1064476215. The cubic root of 142232015 is about 521.9943323274.

Adding to 142232015 its reverse (510232241), we get a palindrome (652464256).

The spelling of 142232015 in words is "one hundred forty-two million, two hundred thirty-two thousand, fifteen".