142478853 has 32 divisors (see below), whose sum is σ = 230999040. Its totient is φ = 76988160.

The previous prime is 142478851. The next prime is 142478857. The reversal of 142478853 is 358874241.

It is not a de Polignac number, because 142478853 - 2¹ = 142478851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142478851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3976 + ... + 17342.

It is an arithmetic number, because the mean of its divisors is an integer number (7218720).

Almost surely, 2^142478853 is an apocalyptic number.

It is an amenable number.

142478853 is a deficient number, since it is larger than the sum of its proper divisors (88520187).

142478853 is a wasteful number, since it uses less digits than its factorization.

142478853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13417.

The product of its digits is 215040, while the sum is 42.

The square root of 142478853 is about 11936.4506030897. The cubic root of 142478853 is about 522.2961246065.

The spelling of 142478853 in words is "one hundred forty-two million, four hundred seventy-eight thousand, eight hundred fifty-three".