142230641 has 8 divisors (see below), whose sum is σ = 165616704. Its totient is φ = 119611440.

The previous prime is 142230629. The next prime is 142230659. The reversal of 142230641 is 146032241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142230641 - 2⁶ = 142230577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142230691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191315 + ... + 192056.

It is an arithmetic number, because the mean of its divisors is an integer number (20702088).

Almost surely, 2^142230641 is an apocalyptic number.

It is an amenable number.

142230641 is a deficient number, since it is larger than the sum of its proper divisors (23386063).

142230641 is an equidigital number, since it uses as much as digits as its factorization.

142230641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383431.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 142230641 is about 11926.0488427643. The cubic root of 142230641 is about 521.9926514528.

Adding to 142230641 its reverse (146032241), we get a palindrome (288262882).

The spelling of 142230641 in words is "one hundred forty-two million, two hundred thirty thousand, six hundred forty-one".