144566561004 has 12 divisors (see below), whose sum is σ = 337321975704. Its totient is φ = 48188853664.

The previous prime is 144566560993. The next prime is 144566561033. The reversal of 144566561004 is 400165665441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6023606697 + ... + 6023606720.

It is an arithmetic number, because the mean of its divisors is an integer number (28110164642).

Almost surely, 2^144566561004 is an apocalyptic number.

It is an amenable number.

144566561004 is an abundant number, since it is smaller than the sum of its proper divisors (192755414700).

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

144566561004 is a wasteful number, since it uses less digits than its factorization.

144566561004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12047213424 (or 12047213422 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 144566561004 in words is "one hundred forty-four billion, five hundred sixty-six million, five hundred sixty-one thousand, four".