141445661 has 8 divisors (see below), whose sum is σ = 171161280. Its totient is φ = 114107328.

The previous prime is 141445657. The next prime is 141445663. The reversal of 141445661 is 166544141.

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 141445661 - 2² = 141445657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141445663) 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, 594191 + ... + 594428.

It is an arithmetic number, because the mean of its divisors is an integer number (21395160).

Almost surely, 2^141445661 is an apocalyptic number.

It is an amenable number.

141445661 is a deficient number, since it is larger than the sum of its proper divisors (29715619).

141445661 is a wasteful number, since it uses less digits than its factorization.

141445661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188643.

The product of its digits is 11520, while the sum is 32.

The square root of 141445661 is about 11893.0929955163. The cubic root of 141445661 is about 521.0305757528.

Subtracting from 141445661 its product of digits (11520), we obtain a palindrome (141434141).

The spelling of 141445661 in words is "one hundred forty-one million, four hundred forty-five thousand, six hundred sixty-one".