141006643 has 4 divisors (see below), whose sum is σ = 141508728. Its totient is φ = 140504560.

The previous prime is 141006641. The next prime is 141006647. The reversal of 141006643 is 346600141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346600141 = 29 ⋅11951729.

It is a cyclic number.

It is not a de Polignac number, because 141006643 - 2¹ = 141006641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141006641) 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, 250621 + ... + 251182.

It is an arithmetic number, because the mean of its divisors is an integer number (35377182).

Almost surely, 2^141006643 is an apocalyptic number.

141006643 is a deficient number, since it is larger than the sum of its proper divisors (502085).

141006643 is an equidigital number, since it uses as much as digits as its factorization.

141006643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502084.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 141006643 is about 11874.6218045039. The cubic root of 141006643 is about 520.4909601287.

Adding to 141006643 its reverse (346600141), we get a palindrome (487606784).

The spelling of 141006643 in words is "one hundred forty-one million, six thousand, six hundred forty-three".