142134415 has 8 divisors (see below), whose sum is σ = 170957808. Its totient is φ = 113443200.

The previous prime is 142134409. The next prime is 142134449. The reversal of 142134415 is 514431241.

142134415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 142134415 - 2⁹ = 142133903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142134415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30661 + ... + 34990.

It is an arithmetic number, because the mean of its divisors is an integer number (21369726).

Almost surely, 2^142134415 is an apocalyptic number.

142134415 is a deficient number, since it is larger than the sum of its proper divisors (28823393).

142134415 is an equidigital number, since it uses as much as digits as its factorization.

142134415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66089.

The product of its digits is 1920, while the sum is 25.

The square root of 142134415 is about 11922.0138818909. The cubic root of 142134415 is about 521.8749070243.

Adding to 142134415 its reverse (514431241), we get a palindrome (656565656).

The spelling of 142134415 in words is "one hundred forty-two million, one hundred thirty-four thousand, four hundred fifteen".