144745023586 has 8 divisors (see below), whose sum is σ = 219355860780. Its totient is φ = 71626403328.

The previous prime is 144745023571. The next prime is 144745023587. The reversal of 144745023586 is 685320547441.

It can be written as a sum of positive squares in 2 ways, for example, as 143058689361 + 1686334225 = 378231^2 + 41065^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×144745023586² (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 3 ways as a sum of consecutive naturals, for example, 373053991 + ... + 373054378.

Almost surely, 2^144745023586 is an apocalyptic number.

144745023586 is a deficient number, since it is larger than the sum of its proper divisors (74610837194).

144745023586 is an equidigital number, since it uses as much as digits as its factorization.

144745023586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746108468.

The product of its (nonzero) digits is 3225600, while the sum is 49.

The spelling of 144745023586 in words is "one hundred forty-four billion, seven hundred forty-five million, twenty-three thousand, five hundred eighty-six".