141985449561 has 8 divisors (see below), whose sum is σ = 191594823840. Its totient is φ = 93516520832.

The previous prime is 141985449559. The next prime is 141985449569. The reversal of 141985449561 is 165944589141.

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 141985449561 - 2¹ = 141985449559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (141985449569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285111096 + ... + 285111593.

It is an arithmetic number, because the mean of its divisors is an integer number (23949352980).

Almost surely, 2^141985449561 is an apocalyptic number.

It is an amenable number.

141985449561 is a deficient number, since it is larger than the sum of its proper divisors (49609374279).

141985449561 is an equidigital number, since it uses as much as digits as its factorization.

141985449561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570222775.

The product of its digits is 6220800, while the sum is 57.

The spelling of 141985449561 in words is "one hundred forty-one billion, nine hundred eighty-five million, four hundred forty-nine thousand, five hundred sixty-one".