144612737563 has 4 divisors (see below), whose sum is σ = 165271700080. Its totient is φ = 123953775048.

The previous prime is 144612737531. The next prime is 144612737593. The reversal of 144612737563 is 365737216441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144612737563 - 2⁵ = 144612737531 is a prime.

It is a super-2 number, since 2×144612737563² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144612737593) 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, 10329481248 + ... + 10329481261.

It is an arithmetic number, because the mean of its divisors is an integer number (41317925020).

Almost surely, 2^144612737563 is an apocalyptic number.

144612737563 is a deficient number, since it is larger than the sum of its proper divisors (20658962517).

144612737563 is an equidigital number, since it uses as much as digits as its factorization.

144612737563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20658962516.

The product of its digits is 2540160, while the sum is 49.

The spelling of 144612737563 in words is "one hundred forty-four billion, six hundred twelve million, seven hundred thirty-seven thousand, five hundred sixty-three".