144535546501 has 2 divisors, whose sum is σ = 144535546502. Its totient is φ = 144535546500.

The previous prime is 144535546481. The next prime is 144535546523. The reversal of 144535546501 is 105645535441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131044724001 + 13490822500 = 362001^2 + 116150^2 .

It is a cyclic number.

It is not a de Polignac number, because 144535546501 - 2¹¹ = 144535544453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144535546801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72267773250 + 72267773251.

It is an arithmetic number, because the mean of its divisors is an integer number (72267773251).

Almost surely, 2^144535546501 is an apocalyptic number.

It is an amenable number.

144535546501 is a deficient number, since it is larger than the sum of its proper divisors (1).

144535546501 is an equidigital number, since it uses as much as digits as its factorization.

144535546501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 144535546501 in words is "one hundred forty-four billion, five hundred thirty-five million, five hundred forty-six thousand, five hundred one".