142145384 has 16 divisors (see below), whose sum is σ = 280550400. Its totient is φ = 67331952.

The previous prime is 142145383. The next prime is 142145387. The reversal of 142145384 is 483541241.

142145384 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142145384.

It is not an unprimeable number, because it can be changed into a prime (142145383) 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, 467432 + ... + 467735.

It is an arithmetic number, because the mean of its divisors is an integer number (17534400).

Almost surely, 2^142145384 is an apocalyptic number.

It is an amenable number.

142145384 is a deficient number, since it is larger than the sum of its proper divisors (138405016).

142145384 is a wasteful number, since it uses less digits than its factorization.

142145384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935192 (or 935188 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 142145384 is about 11922.4739043539. The cubic root of 142145384 is about 521.8883316374. Note that the first 3 decimals are identical.

The spelling of 142145384 in words is "one hundred forty-two million, one hundred forty-five thousand, three hundred eighty-four".