144565645 has 16 divisors (see below), whose sum is σ = 198495360. Its totient is φ = 99013824.

The previous prime is 144565633. The next prime is 144565651. The reversal of 144565645 is 546565441.

It is not a de Polignac number, because 144565645 - 2¹⁵ = 144532877 is a prime.

It is a super-3 number, since 3×144565645³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144565598 and 144565607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36366 + ... + 40144.

It is an arithmetic number, because the mean of its divisors is an integer number (12405960).

Almost surely, 2^144565645 is an apocalyptic number.

It is an amenable number.

144565645 is a deficient number, since it is larger than the sum of its proper divisors (53929715).

144565645 is a wasteful number, since it uses less digits than its factorization.

144565645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4884.

The product of its digits is 288000, while the sum is 40.

The square root of 144565645 is about 12023.5454421730. The cubic root of 144565645 is about 524.8336827669.

The spelling of 144565645 in words is "one hundred forty-four million, five hundred sixty-five thousand, six hundred forty-five".