144201398105 has 4 divisors (see below), whose sum is σ = 173041677732. Its totient is φ = 115361118480.

The previous prime is 144201398101. The next prime is 144201398119. The reversal of 144201398105 is 501893102441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501893102441 = 17 ⋅29523123673.

It can be written as a sum of positive squares in 2 ways, for example, as 52424513296 + 91776884809 = 228964^2 + 302947^2 .

It is not a de Polignac number, because 144201398105 - 2² = 144201398101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144201398101) 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, 14420139806 + ... + 14420139815.

It is an arithmetic number, because the mean of its divisors is an integer number (43260419433).

Almost surely, 2^144201398105 is an apocalyptic number.

It is an amenable number.

144201398105 is a deficient number, since it is larger than the sum of its proper divisors (28840279627).

144201398105 is an equidigital number, since it uses as much as digits as its factorization.

144201398105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28840279626.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 144201398105 in words is "one hundred forty-four billion, two hundred one million, three hundred ninety-eight thousand, one hundred five".