141444404021 has 4 divisors (see below), whose sum is σ = 141446341344. Its totient is φ = 141442466700.

The previous prime is 141444404009. The next prime is 141444404051. The reversal of 141444404021 is 120404444141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 120404444141 = 213833 ⋅563077.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141444404021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141444404051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854675 + ... + 1006656.

It is an arithmetic number, because the mean of its divisors is an integer number (35361585336).

Almost surely, 2^141444404021 is an apocalyptic number.

It is an amenable number.

141444404021 is a deficient number, since it is larger than the sum of its proper divisors (1937323).

141444404021 is an equidigital number, since it uses as much as digits as its factorization.

141444404021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937322.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 141444404021 its reverse (120404444141), we get a palindrome (261848848162).

The spelling of 141444404021 in words is "one hundred forty-one billion, four hundred forty-four million, four hundred four thousand, twenty-one".