814808142 has 24 divisors (see below), whose sum is σ = 1769511744. Its totient is φ = 270972864.

The previous prime is 814808081. The next prime is 814808153. The reversal of 814808142 is 241808418.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 814808097 and 814808106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44478 + ... + 60065.

It is an arithmetic number, because the mean of its divisors is an integer number (73729656).

Almost surely, 2^814808142 is an apocalyptic number.

814808142 is an abundant number, since it is smaller than the sum of its proper divisors (954703602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

814808142 is a wasteful number, since it uses less digits than its factorization.

814808142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104984 (or 104981 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

The square root of 814808142 is about 28544.8444031492. The cubic root of 814808142 is about 934.0105605538.

The spelling of 814808142 in words is "eight hundred fourteen million, eight hundred eight thousand, one hundred forty-two".