144745023585 has 16 divisors (see below), whose sum is σ = 241661257344. Its totient is φ = 73840939392.

The previous prime is 144745023571. The next prime is 144745023587. The reversal of 144745023585 is 585320547441.

It is not a de Polignac number, because 144745023585 - 2¹¹ = 144745021537 is a prime.

It is a super-2 number, since 2×144745023585² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144745023587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209775052 + ... + 209775741.

It is an arithmetic number, because the mean of its divisors is an integer number (15103828584).

Almost surely, 2^144745023585 is an apocalyptic number.

144745023585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144745023585 is a deficient number, since it is larger than the sum of its proper divisors (96916233759).

144745023585 is a wasteful number, since it uses less digits than its factorization.

144745023585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419550824.

The product of its (nonzero) digits is 2688000, while the sum is 48.

The spelling of 144745023585 in words is "one hundred forty-four billion, seven hundred forty-five million, twenty-three thousand, five hundred eighty-five".