142078000 has 40 divisors (see below), whose sum is σ = 343549440. Its totient is φ = 56830400.

The previous prime is 142077913. The next prime is 142078003. The reversal of 142078000 is 870241.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (142078003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33520 + ... + 37519.

It is an arithmetic number, because the mean of its divisors is an integer number (8588736).

Almost surely, 2^142078000 is an apocalyptic number.

142078000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142078000 is an abundant number, since it is smaller than the sum of its proper divisors (201471440).

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

142078000 is an equidigital number, since it uses as much as digits as its factorization.

142078000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71062 (or 71046 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 142078000 is about 11919.6476457989. The cubic root of 142078000 is about 521.8058515719.

The spelling of 142078000 in words is "one hundred forty-two million, seventy-eight thousand".