142320412 has 48 divisors (see below), whose sum is σ = 294658560. Its totient is φ = 59514048.

The previous prime is 142320407. The next prime is 142320421. The reversal of 142320412 is 214023241.

142320412 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 142320412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19593 + ... + 25855.

It is an arithmetic number, because the mean of its divisors is an integer number (6138720).

Almost surely, 2^142320412 is an apocalyptic number.

It is an amenable number.

142320412 is an abundant number, since it is smaller than the sum of its proper divisors (152338148).

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

142320412 is a wasteful number, since it uses less digits than its factorization.

142320412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6322 (or 6320 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 142320412 is about 11929.8119012833. The cubic root of 142320412 is about 522.1024495167.

Adding to 142320412 its reverse (214023241), we get a palindrome (356343653).

The spelling of 142320412 in words is "one hundred forty-two million, three hundred twenty thousand, four hundred twelve".