1344045553 has 2 divisors, whose sum is σ = 1344045554. Its totient is φ = 1344045552.

The previous prime is 1344045533. The next prime is 1344045557. The reversal of 1344045553 is 3555404431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 791184384 + 552861169 = 28128^2 + 23513^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344045553 - 2²¹ = 1341948401 is a prime.

It is a super-3 number, since 3×1344045553³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1344045557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672022776 + 672022777.

It is an arithmetic number, because the mean of its divisors is an integer number (672022777).

Almost surely, 2^1344045553 is an apocalyptic number.

It is an amenable number.

1344045553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344045553 is an equidigital number, since it uses as much as digits as its factorization.

1344045553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 34.

The square root of 1344045553 is about 36661.2268343546. The cubic root of 1344045553 is about 1103.5821383950.

Adding to 1344045553 its reverse (3555404431), we get a palindrome (4899449984).

The spelling of 1344045553 in words is "one billion, three hundred forty-four million, forty-five thousand, five hundred fifty-three".