144514043454545 has 4 divisors (see below), whose sum is σ = 173416852145460. Its totient is φ = 115611234763632.

The previous prime is 144514043454509. The next prime is 144514043454607. The reversal of 144514043454545 is 545454340415441.

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 56989711017409 + 87524332437136 = 7549153^2 + 9355444^2 .

It is a cyclic number.

It is not a de Polignac number, because 144514043454545 - 2⁶ = 144514043454481 is a prime.

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, 14451404345450 + ... + 14451404345459.

It is an arithmetic number, because the mean of its divisors is an integer number (43354213036365).

Almost surely, 2^{144514043454545} is an apocalyptic number.

It is an amenable number.

144514043454545 is a deficient number, since it is larger than the sum of its proper divisors (28902808690915).

144514043454545 is an equidigital number, since it uses as much as digits as its factorization.

144514043454545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28902808690914.

The product of its (nonzero) digits is 30720000, while the sum is 53.

Adding to 144514043454545 its reverse (545454340415441), we get a palindrome (689968383869986).

The spelling of 144514043454545 in words is "one hundred forty-four trillion, five hundred fourteen billion, forty-three million, four hundred fifty-four thousand, five hundred forty-five".