144636146752 has 14 divisors (see below), whose sum is σ = 287012353838. Its totient is φ = 72318073344.

The previous prime is 144636146747. The next prime is 144636146771. The reversal of 144636146752 is 257641636441.

It can be written as a sum of positive squares in only one way, i.e., 144138678336 + 497468416 = 379656^2 + 22304^2 .

It is a super-2 number, since 2×144636146752² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144636146696 and 144636146705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129969833 + ... + 1129969960.

It is an arithmetic number, because the mean of its divisors is an integer number (20500882417).

Almost surely, 2^144636146752 is an apocalyptic number.

It is an amenable number.

144636146752 is a deficient number, since it is larger than the sum of its proper divisors (142376207086).

144636146752 is an equidigital number, since it uses as much as digits as its factorization.

144636146752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259939805 (or 2259939795 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 49.

The spelling of 144636146752 in words is "one hundred forty-four billion, six hundred thirty-six million, one hundred forty-six thousand, seven hundred fifty-two".