142300444 has 48 divisors (see below), whose sum is σ = 294305760. Its totient is φ = 59351040.

The previous prime is 142300441. The next prime is 142300451. The reversal of 142300444 is 444003241.

142300444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142300441) 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, 109752 + ... + 111040.

It is an arithmetic number, because the mean of its divisors is an integer number (6131370).

Almost surely, 2^142300444 is an apocalyptic number.

It is an amenable number.

142300444 is an abundant number, since it is smaller than the sum of its proper divisors (152005316).

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

142300444 is a wasteful number, since it uses less digits than its factorization.

142300444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510 (or 1508 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 142300444 is about 11928.9749769207. The cubic root of 142300444 is about 522.0780308378.

Adding to 142300444 its reverse (444003241), we get a palindrome (586303685).

The spelling of 142300444 in words is "one hundred forty-two million, three hundred thousand, four hundred forty-four".