144230540431045 has 4 divisors (see below), whose sum is σ = 173076648517260. Its totient is φ = 115384432344832.

The previous prime is 144230540430967. The next prime is 144230540431067. The reversal of 144230540431045 is 540134045032441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52389425706916 + 91841114724129 = 7238054^2 + 9583377^2 .

It is a cyclic number.

It is not a de Polignac number, because 144230540431045 - 2²⁹ = 144230003560133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144230540430989 and 144230540431007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14423054043100 + ... + 14423054043109.

It is an arithmetic number, because the mean of its divisors is an integer number (43269162129315).

Almost surely, 2^{144230540431045} is an apocalyptic number.

It is an amenable number.

144230540431045 is a deficient number, since it is larger than the sum of its proper divisors (28846108086215).

144230540431045 is an equidigital number, since it uses as much as digits as its factorization.

144230540431045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28846108086214.

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 144230540431045 its reverse (540134045032441), we get a palindrome (684364585463486).

The spelling of 144230540431045 in words is "one hundred forty-four trillion, two hundred thirty billion, five hundred forty million, four hundred thirty-one thousand, forty-five".