144457472741 has 2 divisors, whose sum is σ = 144457472742. Its totient is φ = 144457472740.

The previous prime is 144457472723. The next prime is 144457472767. The reversal of 144457472741 is 147274754441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76256061025 + 68201411716 = 276145^2 + 261154^2 .

It is an emirp because it is prime and its reverse (147274754441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144457472741 is a prime.

It is a super-2 number, since 2×144457472741² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144457472741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144457472771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72228736370 + 72228736371.

It is an arithmetic number, because the mean of its divisors is an integer number (72228736371).

Almost surely, 2^144457472741 is an apocalyptic number.

It is an amenable number.

144457472741 is a deficient number, since it is larger than the sum of its proper divisors (1).

144457472741 is an equidigital number, since it uses as much as digits as its factorization.

144457472741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3512320, while the sum is 50.

The spelling of 144457472741 in words is "one hundred forty-four billion, four hundred fifty-seven million, four hundred seventy-two thousand, seven hundred forty-one".