1045838943 has 6 divisors (see below), whose sum is σ = 1510656264. Its totient is φ = 697225956.

The previous prime is 1045838933. The next prime is 1045838987. The reversal of 1045838943 is 3498385401.

It is not a de Polignac number, because 1045838943 - 2¹⁴ = 1045822559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045838903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58102155 + ... + 58102172.

It is an arithmetic number, because the mean of its divisors is an integer number (251776044).

Almost surely, 2^1045838943 is an apocalyptic number.

1045838943 is a deficient number, since it is larger than the sum of its proper divisors (464817321).

1045838943 is a wasteful number, since it uses less digits than its factorization.

1045838943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116204333 (or 116204330 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 1045838943 is about 32339.4332510636. The cubic root of 1045838943 is about 1015.0519497463.

It can be divided in two parts, 104583 and 8943, that added together give a triangular number (113526 = T₄₇₆).

The spelling of 1045838943 in words is "one billion, forty-five million, eight hundred thirty-eight thousand, nine hundred forty-three".