1144454419 has 2 divisors, whose sum is σ = 1144454420. Its totient is φ = 1144454418.

The previous prime is 1144454357. The next prime is 1144454429. The reversal of 1144454419 is 9144544411.

It is a strong prime.

It is an emirp because it is prime and its reverse (9144544411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1144454419 - 2⁷ = 1144454291 is a prime.

It is a super-2 number, since 2×1144454419² = 2619551834337255122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1144454429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572227209 + 572227210.

It is an arithmetic number, because the mean of its divisors is an integer number (572227210).

Almost surely, 2^1144454419 is an apocalyptic number.

1144454419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144454419 is an equidigital number, since it uses as much as digits as its factorization.

1144454419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 37.

The square root of 1144454419 is about 33829.7859733106. The cubic root of 1144454419 is about 1046.0027672191.

The spelling of 1144454419 in words is "one billion, one hundred forty-four million, four hundred fifty-four thousand, four hundred nineteen".