144473849873 has 2 divisors, whose sum is σ = 144473849874. Its totient is φ = 144473849872.

The previous prime is 144473849843. The next prime is 144473849893. The reversal of 144473849873 is 378948374441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138780091024 + 5693758849 = 372532^2 + 75457^2 .

It is a cyclic number.

It is not a de Polignac number, because 144473849873 - 2³⁶ = 75754373137 is a prime.

It is a super-2 number, since 2×144473849873² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144473849833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72236924936 + 72236924937.

It is an arithmetic number, because the mean of its divisors is an integer number (72236924937).

Almost surely, 2^144473849873 is an apocalyptic number.

It is an amenable number.

144473849873 is a deficient number, since it is larger than the sum of its proper divisors (1).

144473849873 is an equidigital number, since it uses as much as digits as its factorization.

144473849873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65028096, while the sum is 62.

The spelling of 144473849873 in words is "one hundred forty-four billion, four hundred seventy-three million, eight hundred forty-nine thousand, eight hundred seventy-three".