144574905969 has 32 divisors (see below), whose sum is σ = 230685235200. Its totient is φ = 88959755520.

The previous prime is 144574905953. The next prime is 144574905973. The reversal of 144574905969 is 969509475441.

144574905969 is a `hidden beast` number, since 1 + 4 + 4 + 57 + 490 + 5 + 96 + 9 = 666.

It is not a de Polignac number, because 144574905969 - 2⁴ = 144574905953 is a prime.

It is a super-2 number, since 2×144574905969² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144574905929) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4843312 + ... + 4873070.

It is an arithmetic number, because the mean of its divisors is an integer number (7208913600).

Almost surely, 2^144574905969 is an apocalyptic number.

It is an amenable number.

144574905969 is a deficient number, since it is larger than the sum of its proper divisors (86110329231).

144574905969 is a wasteful number, since it uses less digits than its factorization.

144574905969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43622 (or 43616 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 63.

The spelling of 144574905969 in words is "one hundred forty-four billion, five hundred seventy-four million, nine hundred five thousand, nine hundred sixty-nine".