144600645564 has 18 divisors (see below), whose sum is σ = 365518298600. Its totient is φ = 48200215176.

The previous prime is 144600645473. The next prime is 144600645569. The reversal of 144600645564 is 465546006441.

144600645564 is a `hidden beast` number, since 1 + 4 + 46 + 0 + 0 + 6 + 45 + 564 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144600645569) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2008342264 + ... + 2008342335.

Almost surely, 2^144600645564 is an apocalyptic number.

It is an amenable number.

144600645564 is an abundant number, since it is smaller than the sum of its proper divisors (220917653036).

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

144600645564 is a wasteful number, since it uses less digits than its factorization.

144600645564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4016684609 (or 4016684604 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 144600645564 in words is "one hundred forty-four billion, six hundred million, six hundred forty-five thousand, five hundred sixty-four".