144521516057 has 2 divisors, whose sum is σ = 144521516058. Its totient is φ = 144521516056.

The previous prime is 144521515993. The next prime is 144521516137. The reversal of 144521516057 is 750615125441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109921423936 + 34600092121 = 331544^2 + 186011^2 .

It is a cyclic number.

It is not a de Polignac number, because 144521516057 - 2⁶ = 144521515993 is a prime.

It is not a weakly prime, because it can be changed into another prime (144521516257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72260758028 + 72260758029.

It is an arithmetic number, because the mean of its divisors is an integer number (72260758029).

Almost surely, 2^144521516057 is an apocalyptic number.

It is an amenable number.

144521516057 is a deficient number, since it is larger than the sum of its proper divisors (1).

144521516057 is an equidigital number, since it uses as much as digits as its factorization.

144521516057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168000, while the sum is 41.

The spelling of 144521516057 in words is "one hundred forty-four billion, five hundred twenty-one million, five hundred sixteen thousand, fifty-seven".