142381750 has 96 divisors (see below), whose sum is σ = 316910880. Its totient is φ = 47745600.

The previous prime is 142381739. The next prime is 142381751. The reversal of 142381750 is 57183241.

142381750 is digitally balanced in base 2, because in such base 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 (142381751) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 722652 + ... + 722848.

It is an arithmetic number, because the mean of its divisors is an integer number (3301155).

Almost surely, 2^142381750 is an apocalyptic number.

142381750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142381750 is an abundant number, since it is smaller than the sum of its proper divisors (174529130).

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

142381750 is a wasteful number, since it uses less digits than its factorization.

142381750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 142381750 is about 11932.3824109019. The cubic root of 142381750 is about 522.1774448974.

The spelling of 142381750 in words is "one hundred forty-two million, three hundred eighty-one thousand, seven hundred fifty".