144453561332 has 24 divisors (see below), whose sum is σ = 254329668936. Its totient is φ = 71788187648.

The previous prime is 144453561293. The next prime is 144453561341. The reversal of 144453561332 is 233165354441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4544647396 + 139908913936 = 67414^2 + 374044^2 .

It is a super-2 number, since 2×144453561332² (a number of 23 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 144453561332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2474108 + ... + 2531820.

It is an arithmetic number, because the mean of its divisors is an integer number (10597069539).

Almost surely, 2^144453561332 is an apocalyptic number.

It is an amenable number.

144453561332 is a deficient number, since it is larger than the sum of its proper divisors (109876107604).

144453561332 is a wasteful number, since it uses less digits than its factorization.

144453561332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61507 (or 61505 counting only the distinct ones).

The product of its digits is 518400, while the sum is 41.

The spelling of 144453561332 in words is "one hundred forty-four billion, four hundred fifty-three million, five hundred sixty-one thousand, three hundred thirty-two".