144531416501 has 4 divisors (see below), whose sum is σ = 144535459212. Its totient is φ = 144527373792.

The previous prime is 144531416489. The next prime is 144531416509. The reversal of 144531416501 is 105614135441.

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

It can be written as a sum of positive squares in 2 ways, for example, as 77670903025 + 66860513476 = 278695^2 + 258574^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144531416501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144531416509) 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, 1967246 + ... + 2039391.

It is an arithmetic number, because the mean of its divisors is an integer number (36133864803).

Almost surely, 2^144531416501 is an apocalyptic number.

It is an amenable number.

144531416501 is a deficient number, since it is larger than the sum of its proper divisors (4042711).

144531416501 is an equidigital number, since it uses as much as digits as its factorization.

144531416501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4042710.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 144531416501 in words is "one hundred forty-four billion, five hundred thirty-one million, four hundred sixteen thousand, five hundred one".