144221902764 has 24 divisors (see below), whose sum is σ = 347373186048. Its totient is φ = 46523194320.

The previous prime is 144221902751. The next prime is 144221902787. The reversal of 144221902764 is 467209122441.

144221902764 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×144221902764³ (a number of 34 digits) contains 333 as substring.

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, 193846272 + ... + 193847015.

It is an arithmetic number, because the mean of its divisors is an integer number (14473882752).

Almost surely, 2^144221902764 is an apocalyptic number.

It is an amenable number.

144221902764 is an abundant number, since it is smaller than the sum of its proper divisors (203151283284).

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

144221902764 is a wasteful number, since it uses less digits than its factorization.

144221902764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387693325 (or 387693323 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 144221902764 in words is "one hundred forty-four billion, two hundred twenty-one million, nine hundred two thousand, seven hundred sixty-four".