818232142 has 16 divisors (see below), whose sum is σ = 1510582752. Its totient is φ = 323696160.

The previous prime is 818232137. The next prime is 818232143. The reversal of 818232142 is 241232818.

It is a happy number.

818232142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818232143) 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, 2247709 + ... + 2248072.

It is an arithmetic number, because the mean of its divisors is an integer number (94411422).

Almost surely, 2^818232142 is an apocalyptic number.

818232142 is a deficient number, since it is larger than the sum of its proper divisors (692350610).

818232142 is a wasteful number, since it uses less digits than its factorization.

818232142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4495803.

The product of its digits is 6144, while the sum is 31.

The square root of 818232142 is about 28604.7573316048. The cubic root of 818232142 is about 935.3170370064.

The spelling of 818232142 in words is "eight hundred eighteen million, two hundred thirty-two thousand, one hundred forty-two".