144634563 has 6 divisors (see below), whose sum is σ = 208916604. Its totient is φ = 96423036.

The previous prime is 144634541. The next prime is 144634573. The reversal of 144634563 is 365436441.

144634563 is a `hidden beast` number, since 14 + 4 + 634 + 5 + 6 + 3 = 666.

It is not a de Polignac number, because 144634563 - 2¹⁰ = 144633539 is a prime.

It is a super-4 number, since 4×144634563⁴ (a number of 34 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (144634573) 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, 8035245 + ... + 8035262.

It is an arithmetic number, because the mean of its divisors is an integer number (34819434).

Almost surely, 2^144634563 is an apocalyptic number.

144634563 is a deficient number, since it is larger than the sum of its proper divisors (64282041).

144634563 is a wasteful number, since it uses less digits than its factorization.

144634563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16070513 (or 16070510 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 144634563 is about 12026.4110606614. The cubic root of 144634563 is about 524.9170698941.

The spelling of 144634563 in words is "one hundred forty-four million, six hundred thirty-four thousand, five hundred sixty-three".