142487392 has 24 divisors (see below), whose sum is σ = 292720176. Its totient is φ = 68145792.

The previous prime is 142487347. The next prime is 142487393. The reversal of 142487392 is 293784241.

142487392 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (142487393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96063 + ... + 97534.

It is an arithmetic number, because the mean of its divisors is an integer number (12196674).

Almost surely, 2^142487392 is an apocalyptic number.

It is an amenable number.

142487392 is an abundant number, since it is smaller than the sum of its proper divisors (150232784).

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

142487392 is a wasteful number, since it uses less digits than its factorization.

142487392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193630 (or 193622 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 142487392 is about 11936.8082836242. The cubic root of 142487392 is about 522.3065584298.

The spelling of 142487392 in words is "one hundred forty-two million, four hundred eighty-seven thousand, three hundred ninety-two".