144548998381 has 2 divisors, whose sum is σ = 144548998382. Its totient is φ = 144548998380.

The previous prime is 144548998337. The next prime is 144548998453. The reversal of 144548998381 is 183899845441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130965095881 + 13583902500 = 361891^2 + 116550^2 .

It is a cyclic number.

It is not a de Polignac number, because 144548998381 - 2³¹ = 142401514733 is a prime.

It is a super-2 number, since 2×144548998381² (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 (144548998331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72274499190 + 72274499191.

It is an arithmetic number, because the mean of its divisors is an integer number (72274499191).

Almost surely, 2^144548998381 is an apocalyptic number.

It is an amenable number.

144548998381 is a deficient number, since it is larger than the sum of its proper divisors (1).

144548998381 is an equidigital number, since it uses as much as digits as its factorization.

144548998381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39813120, while the sum is 64.

The spelling of 144548998381 in words is "one hundred forty-four billion, five hundred forty-eight million, nine hundred ninety-eight thousand, three hundred eighty-one".