142273000 has 64 divisors (see below), whose sum is σ = 352544400. Its totient is φ = 53555200.

The previous prime is 142272971. The next prime is 142273003. The reversal of 142273000 is 372241.

142273000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 26193924 + 116079076 = 5118^2 + 10774^2 .

It is not an unprimeable number, because it can be changed into a prime (142273003) 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, 12816 + ... + 21184.

Almost surely, 2^142273000 is an apocalyptic number.

142273000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142273000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176272200).

142273000 is an abundant number, since it is smaller than the sum of its proper divisors (210271400).

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

142273000 is a wasteful number, since it uses less digits than its factorization.

142273000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8407 (or 8393 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 142273000 is about 11927.8246130634. The cubic root of 142273000 is about 522.0444661015.

The spelling of 142273000 in words is "one hundred forty-two million, two hundred seventy-three thousand".