141222643 has 4 divisors (see below), whose sum is σ = 141307560. Its totient is φ = 141137728.

The previous prime is 141222617. The next prime is 141222659. The reversal of 141222643 is 346222141.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 141222643 - 2²¹ = 139125491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141222443) 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, 39913 + ... + 43306.

It is an arithmetic number, because the mean of its divisors is an integer number (35326890).

Almost surely, 2^141222643 is an apocalyptic number.

141222643 is a deficient number, since it is larger than the sum of its proper divisors (84917).

141222643 is an equidigital number, since it uses as much as digits as its factorization.

141222643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84916.

The product of its digits is 2304, while the sum is 25.

The square root of 141222643 is about 11883.7133506325. The cubic root of 141222643 is about 520.7565946346.

Adding to 141222643 its reverse (346222141), we get a palindrome (487444784).

It can be divided in two parts, 141 and 222643, that added together give a square (222784 = 472²).

The spelling of 141222643 in words is "one hundred forty-one million, two hundred twenty-two thousand, six hundred forty-three".