144315253457 has 2 divisors, whose sum is σ = 144315253458. Its totient is φ = 144315253456.

The previous prime is 144315253427. The next prime is 144315253477. The reversal of 144315253457 is 754352513441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125653234576 + 18662018881 = 354476^2 + 136609^2 .

It is a cyclic number.

It is not a de Polignac number, because 144315253457 - 2¹⁶ = 144315187921 is a prime.

It is not a weakly prime, because it can be changed into another prime (144315253427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72157626728 + 72157626729.

It is an arithmetic number, because the mean of its divisors is an integer number (72157626729).

Almost surely, 2^144315253457 is an apocalyptic number.

It is an amenable number.

144315253457 is a deficient number, since it is larger than the sum of its proper divisors (1).

144315253457 is an equidigital number, since it uses as much as digits as its factorization.

144315253457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008000, while the sum is 44.

Adding to 144315253457 its reverse (754352513441), we get a palindrome (898667766898).

The spelling of 144315253457 in words is "one hundred forty-four billion, three hundred fifteen million, two hundred fifty-three thousand, four hundred fifty-seven".