144521231420322 has 12 divisors (see below), whose sum is σ = 313129334744070. Its totient is φ = 48173743806768.

The previous prime is 144521231420297. The next prime is 144521231420339. The reversal of 144521231420322 is 223024132125441.

144521231420322 is a `hidden beast` number, since 1 + 4 + 4 + 5 + 2 + 12 + 314 + 2 + 0 + 322 = 666.

It can be written as a sum of positive squares in only one way, i.e., 143452098168201 + 1069133252121 = 11977149^2 + 1033989^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4014478650547 + ... + 4014478650582.

Almost surely, 2^{144521231420322} is an apocalyptic number.

144521231420322 is an abundant number, since it is smaller than the sum of its proper divisors (168608103323748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144521231420322 is a wasteful number, since it uses less digits than its factorization.

144521231420322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8028957301137 (or 8028957301134 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 144521231420322 its reverse (223024132125441), we get a palindrome (367545363545763).

The spelling of 144521231420322 in words is "one hundred forty-four trillion, five hundred twenty-one billion, two hundred thirty-one million, four hundred twenty thousand, three hundred twenty-two".