142304012 has 12 divisors (see below), whose sum is σ = 257065536. Its totient is φ = 68856720.

The previous prime is 142304009. The next prime is 142304021. The reversal of 142304012 is 210403241.

It is a super-2 number, since 2×142304012² = 40500863662592288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573683 + ... + 573930.

It is an arithmetic number, because the mean of its divisors is an integer number (21422128).

Almost surely, 2^142304012 is an apocalyptic number.

It is an amenable number.

142304012 is a deficient number, since it is larger than the sum of its proper divisors (114761524).

142304012 is a wasteful number, since it uses less digits than its factorization.

142304012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147648 (or 1147646 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 142304012 is about 11929.1245278101. The cubic root of 142304012 is about 522.0823942790.

Adding to 142304012 its reverse (210403241), we get a palindrome (352707253).

The spelling of 142304012 in words is "one hundred forty-two million, three hundred four thousand, twelve".