1054243443 has 64 divisors (see below), whose sum is σ = 1691320320. Its totient is φ = 576979200.

The previous prime is 1054243397. The next prime is 1054243451. The reversal of 1054243443 is 3443424501.

It is not a de Polignac number, because 1054243443 - 2⁸ = 1054243187 is a prime.

It is a super-2 number, since 2×1054243443² = 2222858474216988498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1054243443.

It is not an unprimeable number, because it can be changed into a prime (1054243483) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1418530 + ... + 1419272.

It is an arithmetic number, because the mean of its divisors is an integer number (26426880).

Almost surely, 2^1054243443 is an apocalyptic number.

1054243443 is a deficient number, since it is larger than the sum of its proper divisors (637076877).

1054243443 is a wasteful number, since it uses less digits than its factorization.

1054243443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 1054243443 is about 32469.1152173877. The cubic root of 1054243443 is about 1017.7637291449.

Adding to 1054243443 its reverse (3443424501), we get a palindrome (4497667944).

The spelling of 1054243443 in words is "one billion, fifty-four million, two hundred forty-three thousand, four hundred forty-three".