144621265099 has 2 divisors, whose sum is σ = 144621265100. Its totient is φ = 144621265098.

The previous prime is 144621265091. The next prime is 144621265147. The reversal of 144621265099 is 990562126441.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144621265099 - 2³ = 144621265091 is a prime.

It is not a weakly prime, because it can be changed into another prime (144621265091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72310632549 + 72310632550.

It is an arithmetic number, because the mean of its divisors is an integer number (72310632550).

Almost surely, 2^144621265099 is an apocalyptic number.

144621265099 is a deficient number, since it is larger than the sum of its proper divisors (1).

144621265099 is an equidigital number, since it uses as much as digits as its factorization.

144621265099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 144621265099 in words is "one hundred forty-four billion, six hundred twenty-one million, two hundred sixty-five thousand, ninety-nine".