142300000 has 72 divisors (see below), whose sum is σ = 350415072. Its totient is φ = 56880000.

The previous prime is 142299991. The next prime is 142300003. The reversal of 142300000 is 3241.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 142300000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142300003) 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 11 ways as a sum of consecutive naturals, for example, 99289 + ... + 100711.

It is an arithmetic number, because the mean of its divisors is an integer number (4866876).

Almost surely, 2^142300000 is an apocalyptic number.

142300000 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 142300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175207536).

142300000 is an abundant number, since it is smaller than the sum of its proper divisors (208115072).

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

142300000 is an frugal number, since it uses more digits than its factorization.

142300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 142300000 is about 11928.9563667573. The cubic root of 142300000 is about 522.0774878485.

Adding to 142300000 its reverse (3241), we get a palindrome (142303241).

The spelling of 142300000 in words is "one hundred forty-two million, three hundred thousand".