144487680344452 has 6 divisors (see below), whose sum is σ = 252853440602798. Its totient is φ = 72243840172224.

The previous prime is 144487680344431. The next prime is 144487680344453. The reversal of 144487680344452 is 254443086784441.

It can be written as a sum of positive squares in only one way, i.e., 143255189593476 + 1232490750976 = 11968926^2 + 1110176^2 .

It is not an unprimeable number, because it can be changed into a prime (144487680344453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18060960043053 + ... + 18060960043060.

Almost surely, 2^{144487680344452} is an apocalyptic number.

It is an amenable number.

144487680344452 is a deficient number, since it is larger than the sum of its proper divisors (108365760258346).

144487680344452 is a wasteful number, since it uses less digits than its factorization.

144487680344452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36121920086117 (or 36121920086115 counting only the distinct ones).

The product of its (nonzero) digits is 330301440, while the sum is 64.

The spelling of 144487680344452 in words is "one hundred forty-four trillion, four hundred eighty-seven billion, six hundred eighty million, three hundred forty-four thousand, four hundred fifty-two".