144895193 has 4 divisors (see below), whose sum is σ = 151195008. Its totient is φ = 138595380.

The previous prime is 144895181. The next prime is 144895213. The reversal of 144895193 is 391598441.

144895193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 144895193 - 2²⁰ = 143846617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144895103) 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, 3149873 + ... + 3149918.

It is an arithmetic number, because the mean of its divisors is an integer number (37798752).

Almost surely, 2^144895193 is an apocalyptic number.

It is an amenable number.

144895193 is a deficient number, since it is larger than the sum of its proper divisors (6299815).

144895193 is an equidigital number, since it uses as much as digits as its factorization.

144895193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6299814.

The product of its digits is 155520, while the sum is 44.

The square root of 144895193 is about 12037.2419183133. The cubic root of 144895193 is about 525.2321790884.

The spelling of 144895193 in words is "one hundred forty-four million, eight hundred ninety-five thousand, one hundred ninety-three".