144564201 has 6 divisors (see below), whose sum is σ = 208814970. Its totient is φ = 96376128.

The previous prime is 144564197. The next prime is 144564247. The reversal of 144564201 is 102465441.

144564201 is a `hidden beast` number, since 1 + 4 + 456 + 4 + 201 = 666.

It can be written as a sum of positive squares in only one way, i.e., 117158976 + 27405225 = 10824^2 + 5235^2 .

It is not a de Polignac number, because 144564201 - 2² = 144564197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144564001) 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, 8031336 + ... + 8031353.

It is an arithmetic number, because the mean of its divisors is an integer number (34802495).

Almost surely, 2^144564201 is an apocalyptic number.

It is an amenable number.

144564201 is a deficient number, since it is larger than the sum of its proper divisors (64250769).

144564201 is a wasteful number, since it uses less digits than its factorization.

144564201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16062695 (or 16062692 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 144564201 is about 12023.4853931795. The cubic root of 144564201 is about 524.8319353200.

The spelling of 144564201 in words is "one hundred forty-four million, five hundred sixty-four thousand, two hundred one".