142047378 has 32 divisors (see below), whose sum is σ = 344358720. Its totient is φ = 43044480.

The previous prime is 142047377. The next prime is 142047431. The reversal of 142047378 is 873740241.

It is a happy number.

142047378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142047377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118975 + ... + 120162.

It is an arithmetic number, because the mean of its divisors is an integer number (10761210).

Almost surely, 2^142047378 is an apocalyptic number.

142047378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

142047378 is an abundant number, since it is smaller than the sum of its proper divisors (202311342).

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

142047378 is a wasteful number, since it uses less digits than its factorization.

142047378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239159 (or 239153 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 142047378 is about 11918.3630587426. The cubic root of 142047378 is about 521.7683606939.

The spelling of 142047378 in words is "one hundred forty-two million, forty-seven thousand, three hundred seventy-eight".