144440511536522 has 16 divisors (see below), whose sum is σ = 216731273725512. Its totient is φ = 72196755006720.

The previous prime is 144440511536513. The next prime is 144440511536549. The reversal of 144440511536522 is 225635115044441.

It can be written as a sum of positive squares in 4 ways, for example, as 127467916048561 + 16972595487961 = 11290169^2 + 4119781^2 .

It is a super-2 number, since 2×144440511536522² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220678622 + ... + 221332182.

Almost surely, 2^{144440511536522} is an apocalyptic number.

144440511536522 is a deficient number, since it is larger than the sum of its proper divisors (72290762188990).

144440511536522 is a wasteful number, since it uses less digits than its factorization.

144440511536522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689353.

The product of its (nonzero) digits is 2304000, while the sum is 47.

The spelling of 144440511536522 in words is "one hundred forty-four trillion, four hundred forty billion, five hundred eleven million, five hundred thirty-six thousand, five hundred twenty-two".