141661443 has 16 divisors (see below), whose sum is σ = 235489536. Its totient is φ = 73590240.

The previous prime is 141661427. The next prime is 141661451. The reversal of 141661443 is 344166141.

It is not a de Polignac number, because 141661443 - 2⁴ = 141661427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141661443.

It is not an unprimeable number, because it can be changed into a prime (141661423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306396 + ... + 306857.

It is an arithmetic number, because the mean of its divisors is an integer number (14718096).

Almost surely, 2^141661443 is an apocalyptic number.

141661443 is a deficient number, since it is larger than the sum of its proper divisors (93828093).

141661443 is a wasteful number, since it uses less digits than its factorization.

141661443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613274.

The product of its digits is 6912, while the sum is 30.

The square root of 141661443 is about 11902.1612743232. The cubic root of 141661443 is about 521.2953933405.

The spelling of 141661443 in words is "one hundred forty-one million, six hundred sixty-one thousand, four hundred forty-three".