144646540141045 has 16 divisors (see below), whose sum is σ = 173990316946032. Its totient is φ = 115440926469120.

The previous prime is 144646540141039. The next prime is 144646540141057. The reversal of 144646540141045 is 540141045646441.

It can be written as a sum of positive squares in 8 ways, for example, as 26683351041649 + 117963189099396 = 5165593^2 + 10861086^2 .

It is a de Polignac number, because none of the positive numbers 2^k-144646540141045 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144646540141045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187576989 + ... + 188346541.

It is an arithmetic number, because the mean of its divisors is an integer number (10874394809127).

Almost surely, 2^{144646540141045} is an apocalyptic number.

It is an amenable number.

144646540141045 is a deficient number, since it is larger than the sum of its proper divisors (29343776804987).

144646540141045 is an equidigital number, since it uses as much as digits as its factorization.

144646540141045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859272.

The product of its (nonzero) digits is 3686400, while the sum is 49.

Adding to 144646540141045 its reverse (540141045646441), we get a palindrome (684787585787486).

The spelling of 144646540141045 in words is "one hundred forty-four trillion, six hundred forty-six billion, five hundred forty million, one hundred forty-one thousand, forty-five".