144552474397 has 2 divisors, whose sum is σ = 144552474398. Its totient is φ = 144552474396.

The previous prime is 144552474389. The next prime is 144552474431. The reversal of 144552474397 is 793474255441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126899100441 + 17653373956 = 356229^2 + 132866^2 .

It is a cyclic number.

It is not a de Polignac number, because 144552474397 - 2³ = 144552474389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144552474337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72276237198 + 72276237199.

It is an arithmetic number, because the mean of its divisors is an integer number (72276237199).

Almost surely, 2^144552474397 is an apocalyptic number.

It is an amenable number.

144552474397 is a deficient number, since it is larger than the sum of its proper divisors (1).

144552474397 is an equidigital number, since it uses as much as digits as its factorization.

144552474397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16934400, while the sum is 55.

The spelling of 144552474397 in words is "one hundred forty-four billion, five hundred fifty-two million, four hundred seventy-four thousand, three hundred ninety-seven".