144565065645 has 128 divisors (see below), whose sum is σ = 314818818048. Its totient is φ = 54697420800.

The previous prime is 144565065629. The next prime is 144565065661. The reversal of 144565065645 is 546560565441.

It is an interprime number because it is at equal distance from previous prime (144565065629) and next prime (144565065661).

It is not a de Polignac number, because 144565065645 - 2⁴ = 144565065629 is a prime.

It is a super-3 number, since 3×144565065645³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1030150 + ... + 1162040.

It is an arithmetic number, because the mean of its divisors is an integer number (2459522016).

Almost surely, 2^144565065645 is an apocalyptic number.

144565065645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144565065645 is an abundant number, since it is smaller than the sum of its proper divisors (170253752403).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144565065645 is a wasteful number, since it uses less digits than its factorization.

144565065645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132003.

The product of its (nonzero) digits is 8640000, while the sum is 51.

The spelling of 144565065645 in words is "one hundred forty-four billion, five hundred sixty-five million, sixty-five thousand, six hundred forty-five".