142141643 has 8 divisors (see below), whose sum is σ = 164056800. Its totient is φ = 120628800.

The previous prime is 142141631. The next prime is 142141663. The reversal of 142141643 is 346141241.

It is a happy number.

142141643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 142141643 - 2⁶ = 142141579 is a prime.

It is a super-3 number, since 3×142141643³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142141613) 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, 99818 + ... + 101231.

It is an arithmetic number, because the mean of its divisors is an integer number (20507100).

Almost surely, 2^142141643 is an apocalyptic number.

142141643 is a deficient number, since it is larger than the sum of its proper divisors (21915157).

142141643 is a wasteful number, since it uses less digits than its factorization.

142141643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201157.

The product of its digits is 2304, while the sum is 26.

The square root of 142141643 is about 11922.3170147417. The cubic root of 142141643 is about 521.8837532231.

Adding to 142141643 its reverse (346141241), we get a palindrome (488282884).

The spelling of 142141643 in words is "one hundred forty-two million, one hundred forty-one thousand, six hundred forty-three".