141801653449 has 4 divisors (see below), whose sum is σ = 142536377236. Its totient is φ = 141066929664.

The previous prime is 141801653447. The next prime is 141801653491. The reversal of 141801653449 is 944356108141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 944356108141 = 29 ⋅32564003729.

It can be written as a sum of positive squares in 2 ways, for example, as 72576360000 + 69225293449 = 269400^2 + 263107^2 .

It is a cyclic number.

It is not a de Polignac number, because 141801653449 - 2¹ = 141801653447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 141801653399 and 141801653408.

It is not an unprimeable number, because it can be changed into a prime (141801653443) 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 3 ways as a sum of consecutive naturals, for example, 367361604 + ... + 367361989.

It is an arithmetic number, because the mean of its divisors is an integer number (35634094309).

Almost surely, 2^141801653449 is an apocalyptic number.

It is an amenable number.

141801653449 is a deficient number, since it is larger than the sum of its proper divisors (734723787).

141801653449 is an equidigital number, since it uses as much as digits as its factorization.

141801653449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734723786.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 141801653449 in words is "one hundred forty-one billion, eight hundred one million, six hundred fifty-three thousand, four hundred forty-nine".