144640223524052 has 12 divisors (see below), whose sum is σ = 253219382343060. Its totient is φ = 72291828568896.

The previous prime is 144640223524039. The next prime is 144640223524079. The reversal of 144640223524052 is 250425322046441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 108754780245136 + 35885443278916 = 10428556^2 + 5990446^2 .

It is a super-2 number, since 2×144640223524052² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144640223523994 and 144640223524012.

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, 7070786777 + ... + 7070807232.

It is an arithmetic number, because the mean of its divisors is an integer number (21101615195255).

Almost surely, 2^{144640223524052} is an apocalyptic number.

It is an amenable number.

144640223524052 is a deficient number, since it is larger than the sum of its proper divisors (108579158819008).

144640223524052 is a wasteful number, since it uses less digits than its factorization.

144640223524052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14141596570 (or 14141596568 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 44.

The spelling of 144640223524052 in words is "one hundred forty-four trillion, six hundred forty billion, two hundred twenty-three million, five hundred twenty-four thousand, fifty-two".