142302012 has 24 divisors (see below), whose sum is σ = 346475136. Its totient is φ = 45371568.

The previous prime is 142301911. The next prime is 142302023. The reversal of 142302012 is 210203241.

It is a junction number, because it is equal to n+sod(n) for n = 142301982 and 142302000.

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, 257518 + ... + 258069.

It is an arithmetic number, because the mean of its divisors is an integer number (14436464).

Almost surely, 2^142302012 is an apocalyptic number.

142302012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142302012 is an abundant number, since it is smaller than the sum of its proper divisors (204173124).

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

142302012 is a wasteful number, since it uses less digits than its factorization.

142302012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515617 (or 515615 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 142302012 is about 11929.0406990671. The cubic root of 142302012 is about 522.0799484129.

Adding to 142302012 its reverse (210203241), we get a palindrome (352505253).

The spelling of 142302012 in words is "one hundred forty-two million, three hundred two thousand, twelve".