144535716551 has 4 divisors (see below), whose sum is σ = 144540303600. Its totient is φ = 144531129504.

The previous prime is 144535716527. The next prime is 144535716571. The reversal of 144535716551 is 155617535441.

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 144535716551 - 2¹⁴ = 144535700167 is a prime.

It is a super-2 number, since 2×144535716551² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144535716496 and 144535716505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144535716511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2245931 + ... + 2309388.

It is an arithmetic number, because the mean of its divisors is an integer number (36135075900).

Almost surely, 2^144535716551 is an apocalyptic number.

144535716551 is a deficient number, since it is larger than the sum of its proper divisors (4587049).

144535716551 is an equidigital number, since it uses as much as digits as its factorization.

144535716551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4587048.

The product of its digits is 1260000, while the sum is 47.

The spelling of 144535716551 in words is "one hundred forty-four billion, five hundred thirty-five million, seven hundred sixteen thousand, five hundred fifty-one".