144803860381 has 2 divisors, whose sum is σ = 144803860382. Its totient is φ = 144803860380.

The previous prime is 144803860373. The next prime is 144803860451. The reversal of 144803860381 is 183068308441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122045422500 + 22758437881 = 349350^2 + 150859^2 .

It is an emirp because it is prime and its reverse (183068308441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144803860381 - 2³ = 144803860373 is a prime.

It is a super-2 number, since 2×144803860381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144803860301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72401930190 + 72401930191.

It is an arithmetic number, because the mean of its divisors is an integer number (72401930191).

Almost surely, 2^144803860381 is an apocalyptic number.

It is an amenable number.

144803860381 is a deficient number, since it is larger than the sum of its proper divisors (1).

144803860381 is an equidigital number, since it uses as much as digits as its factorization.

144803860381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 144803860381 in words is "one hundred forty-four billion, eight hundred three million, eight hundred sixty thousand, three hundred eighty-one".