144521561099 has 2 divisors, whose sum is σ = 144521561100. Its totient is φ = 144521561098.

The previous prime is 144521561053. The next prime is 144521561201. The reversal of 144521561099 is 990165125441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144521561099 - 2²⁴ = 144504783883 is a prime.

It is not a weakly prime, because it can be changed into another prime (144521561039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72260780549 + 72260780550.

It is an arithmetic number, because the mean of its divisors is an integer number (72260780550).

Almost surely, 2^144521561099 is an apocalyptic number.

144521561099 is a deficient number, since it is larger than the sum of its proper divisors (1).

144521561099 is an equidigital number, since it uses as much as digits as its factorization.

144521561099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 47.

The spelling of 144521561099 in words is "one hundred forty-four billion, five hundred twenty-one million, five hundred sixty-one thousand, ninety-nine".