142618455478 has 16 divisors (see below), whose sum is σ = 220856639616. Its totient is φ = 69000160320.

The previous prime is 142618455461. The next prime is 142618455491. The reversal of 142618455478 is 874554816241.

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, 359650 + ... + 643882.

It is an arithmetic number, because the mean of its divisors is an integer number (13803539976).

Almost surely, 2^142618455478 is an apocalyptic number.

142618455478 is a deficient number, since it is larger than the sum of its proper divisors (78238184138).

142618455478 is a wasteful number, since it uses less digits than its factorization.

142618455478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292359.

The product of its digits is 8601600, while the sum is 55.

The spelling of 142618455478 in words is "one hundred forty-two billion, six hundred eighteen million, four hundred fifty-five thousand, four hundred seventy-eight".