144136323044402 has 32 divisors (see below), whose sum is σ = 247617853846272. Its totient is φ = 62335432905984.

The previous prime is 144136323044383. The next prime is 144136323044407. The reversal of 144136323044402 is 204440323631441.

It is a super-2 number, since 2×144136323044402² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144136323044402.

It is not an unprimeable number, because it can be changed into a prime (144136323044407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 718182218 + ... + 718382885.

It is an arithmetic number, because the mean of its divisors is an integer number (7738057932696).

Almost surely, 2^{144136323044402} is an apocalyptic number.

144136323044402 is a deficient number, since it is larger than the sum of its proper divisors (103481530801870).

144136323044402 is a wasteful number, since it uses less digits than its factorization.

144136323044402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436565362.

The product of its (nonzero) digits is 663552, while the sum is 41.

Adding to 144136323044402 its reverse (204440323631441), we get a palindrome (348576646675843).

The spelling of 144136323044402 in words is "one hundred forty-four trillion, one hundred thirty-six billion, three hundred twenty-three million, forty-four thousand, four hundred two".