144819793225 has 6 divisors (see below), whose sum is σ = 179576543630. Its totient is φ = 115855834560.

The previous prime is 144819793117. The next prime is 144819793247. The reversal of 144819793225 is 522397918441.

It can be written as a sum of positive squares in 3 ways, for example, as 8340544 + 144811452681 = 2888^2 + 380541^2 .

It is not a de Polignac number, because 144819793225 - 2⁹ = 144819792713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2896395840 + ... + 2896395889.

Almost surely, 2^144819793225 is an apocalyptic number.

It is an amenable number.

144819793225 is a deficient number, since it is larger than the sum of its proper divisors (34756750405).

144819793225 is an equidigital number, since it uses as much as digits as its factorization.

144819793225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5792791739 (or 5792791734 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The spelling of 144819793225 in words is "one hundred forty-four billion, eight hundred nineteen million, seven hundred ninety-three thousand, two hundred twenty-five".