141644971 has 8 divisors (see below), whose sum is σ = 159173280. Its totient is φ = 125064192.

The previous prime is 141644959. The next prime is 141644977. The reversal of 141644971 is 179446141.

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 141644971 - 2⁵ = 141644939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 141644971.

It is not an unprimeable number, because it can be changed into a prime (141644977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236566 + ... + 237163.

It is an arithmetic number, because the mean of its divisors is an integer number (19896660).

Almost surely, 2^141644971 is an apocalyptic number.

141644971 is a deficient number, since it is larger than the sum of its proper divisors (17528309).

141644971 is a wasteful number, since it uses less digits than its factorization.

141644971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473765.

The product of its digits is 24192, while the sum is 37.

The square root of 141644971 is about 11901.4692790428. The cubic root of 141644971 is about 521.2751876294.

The spelling of 141644971 in words is "one hundred forty-one million, six hundred forty-four thousand, nine hundred seventy-one".