1044342543 has 16 divisors (see below), whose sum is σ = 1467331200. Its totient is φ = 658870560.

The previous prime is 1044342527. The next prime is 1044342553. The reversal of 1044342543 is 3452434401.

It is not a de Polignac number, because 1044342543 - 2⁴ = 1044342527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1044342543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044342503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45913 + ... + 64781.

It is an arithmetic number, because the mean of its divisors is an integer number (91708200).

Almost surely, 2^1044342543 is an apocalyptic number.

1044342543 is a deficient number, since it is larger than the sum of its proper divisors (422988657).

1044342543 is a wasteful number, since it uses less digits than its factorization.

1044342543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19862.

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

The square root of 1044342543 is about 32316.2891279305. The cubic root of 1044342543 is about 1014.5676021463.

Adding to 1044342543 its reverse (3452434401), we get a palindrome (4496776944).

The spelling of 1044342543 in words is "one billion, forty-four million, three hundred forty-two thousand, five hundred forty-three".