142204415 has 8 divisors (see below), whose sum is σ = 170709360. Its totient is φ = 113720832.

The previous prime is 142204411. The next prime is 142204421. The reversal of 142204415 is 514402241.

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 142204415 - 2² = 142204411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142204411) 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, 22751 + ... + 28319.

It is an arithmetic number, because the mean of its divisors is an integer number (21338670).

Almost surely, 2^142204415 is an apocalyptic number.

142204415 is a deficient number, since it is larger than the sum of its proper divisors (28504945).

142204415 is an equidigital number, since it uses as much as digits as its factorization.

142204415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10681.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 142204415 is about 11924.9492661395. The cubic root of 142204415 is about 521.9605659597.

Adding to 142204415 its reverse (514402241), we get a palindrome (656606656).

The spelling of 142204415 in words is "one hundred forty-two million, two hundred four thousand, four hundred fifteen".