142321302 has 24 divisors (see below), whose sum is σ = 308702160. Its totient is φ = 47388240.

The previous prime is 142321301. The next prime is 142321307. The reversal of 142321302 is 203123241.

142321302 is a `hidden beast` number, since 1 + 42 + 321 + 302 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142321301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14724 + ... + 22392.

It is an arithmetic number, because the mean of its divisors is an integer number (12862590).

Almost surely, 2^142321302 is an apocalyptic number.

142321302 is an abundant number, since it is smaller than the sum of its proper divisors (166380858).

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

142321302 is a wasteful number, since it uses less digits than its factorization.

142321302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8708 (or 8705 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 142321302 is about 11929.8492027351. The cubic root of 142321302 is about 522.1035378362.

Adding to 142321302 its reverse (203123241), we get a palindrome (345444543).

The spelling of 142321302 in words is "one hundred forty-two million, three hundred twenty-one thousand, three hundred two".