142004627 has 4 divisors (see below), whose sum is σ = 142433976. Its totient is φ = 141575280.

The previous prime is 142004591. The next prime is 142004641. The reversal of 142004627 is 726400241.

142004627 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142004627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142004596 and 142004605.

It is not an unprimeable number, because it can be changed into a prime (142001627) 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, 214178 + ... + 214839.

It is an arithmetic number, because the mean of its divisors is an integer number (35608494).

Almost surely, 2^142004627 is an apocalyptic number.

142004627 is a deficient number, since it is larger than the sum of its proper divisors (429349).

142004627 is an equidigital number, since it uses as much as digits as its factorization.

142004627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429348.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 142004627 is about 11916.5694308387. The cubic root of 142004627 is about 521.7160111242.

Adding to 142004627 its reverse (726400241), we get a palindrome (868404868).

The spelling of 142004627 in words is "one hundred forty-two million, four thousand, six hundred twenty-seven".