142300001 has 4 divisors (see below), whose sum is σ = 142462404. Its totient is φ = 142137600.

The previous prime is 142299991. The next prime is 142300003. The reversal of 142300001 is 100003241.

It is a happy number.

142300001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87909376 + 54390625 = 9376^2 + 7375^2 .

It is a cyclic number.

It is not a de Polignac number, because 142300001 - 2²² = 138105697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142300003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79880 + ... + 81641.

It is an arithmetic number, because the mean of its divisors is an integer number (35615601).

Almost surely, 2^142300001 is an apocalyptic number.

It is an amenable number.

142300001 is a deficient number, since it is larger than the sum of its proper divisors (162403).

142300001 is an equidigital number, since it uses as much as digits as its factorization.

142300001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162402.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 142300001 is about 11928.9564086721. The cubic root of 142300001 is about 522.0774890714.

Adding to 142300001 its reverse (100003241), we get a palindrome (242303242).

The spelling of 142300001 in words is "one hundred forty-two million, three hundred thousand, one".