1045259673 has 32 divisors (see below), whose sum is σ = 1522636800. Its totient is φ = 635294016.

The previous prime is 1045259647. The next prime is 1045259701. The reversal of 1045259673 is 3769525401.

It is not a de Polignac number, because 1045259673 - 2⁵ = 1045259641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045159673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 605790 + ... + 607512.

It is an arithmetic number, because the mean of its divisors is an integer number (47582400).

Almost surely, 2^1045259673 is an apocalyptic number.

It is an amenable number.

1045259673 is a deficient number, since it is larger than the sum of its proper divisors (477377127).

1045259673 is a wasteful number, since it uses less digits than its factorization.

1045259673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 1045259673 is about 32330.4759166951. The cubic root of 1045259673 is about 1014.8645092425.

It can be divided in two parts, 10452 and 59673, that added together give a triangular number (70125 = T₃₇₄).

The spelling of 1045259673 in words is "one billion, forty-five million, two hundred fifty-nine thousand, six hundred seventy-three".