11443457 has 2 divisors, whose sum is σ = 11443458. Its totient is φ = 11443456.

The previous prime is 11443441. The next prime is 11443477. The reversal of 11443457 is 75434411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11182336 + 261121 = 3344^2 + 511^2 .

It is a cyclic number.

It is not a de Polignac number, because 11443457 - 2⁴ = 11443441 is a prime.

It is a super-2 number, since 2×11443457² = 261905416221698, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11443477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5721728 + 5721729.

It is an arithmetic number, because the mean of its divisors is an integer number (5721729).

Almost surely, 2^11443457 is an apocalyptic number.

It is an amenable number.

11443457 is a deficient number, since it is larger than the sum of its proper divisors (1).

11443457 is an equidigital number, since it uses as much as digits as its factorization.

11443457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 11443457 is about 3382.8179081943. The cubic root of 11443457 is about 225.3473285796.

Adding to 11443457 its reverse (75434411), we get a palindrome (86877868).

The spelling of 11443457 in words is "eleven million, four hundred forty-three thousand, four hundred fifty-seven".