144234242197 has 4 divisors (see below), whose sum is σ = 144236369536. Its totient is φ = 144232114860.

The previous prime is 144234242171. The next prime is 144234242203. The reversal of 144234242197 is 791242432441.

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: 791242432441 = 337 ⋅2347900393.

It is a cyclic number.

It is not a de Polignac number, because 144234242197 - 2¹¹ = 144234240149 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 (144234242137) 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, 958503 + ... + 1098724.

It is an arithmetic number, because the mean of its divisors is an integer number (36059092384).

Almost surely, 2^144234242197 is an apocalyptic number.

It is an amenable number.

144234242197 is a deficient number, since it is larger than the sum of its proper divisors (2127339).

144234242197 is an equidigital number, since it uses as much as digits as its factorization.

144234242197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127338.

The product of its digits is 387072, while the sum is 43.

The spelling of 144234242197 in words is "one hundred forty-four billion, two hundred thirty-four million, two hundred forty-two thousand, one hundred ninety-seven".