142765000 has 80 divisors (see below), whose sum is σ = 382377600. Its totient is φ = 48936000.

The previous prime is 142764983. The next prime is 142765001. The reversal of 142765000 is 567241.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (142765001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32961 + ... + 37039.

It is an arithmetic number, because the mean of its divisors is an integer number (4779720).

Almost surely, 2^142765000 is an apocalyptic number.

142765000 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 142765000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191188800).

142765000 is an abundant number, since it is smaller than the sum of its proper divisors (239612600).

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

142765000 is an equidigital number, since it uses as much as digits as its factorization.

142765000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4112 (or 4093 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 142765000 is about 11948.4308593221. The cubic root of 142765000 is about 522.6455414405.

The spelling of 142765000 in words is "one hundred forty-two million, seven hundred sixty-five thousand".