1045440603 has 6 divisors (see below), whose sum is σ = 1510080884. Its totient is φ = 696960396.

The previous prime is 1045440589. The next prime is 1045440607. The reversal of 1045440603 is 3060445401.

1045440603 is a `hidden beast` number, since 1 + 0 + 4 + 54 + 4 + 0 + 603 = 666.

It is not a de Polignac number, because 1045440603 - 2¹⁰ = 1045439579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045440607) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58080025 + ... + 58080042.

Almost surely, 2^1045440603 is an apocalyptic number.

1045440603 is a deficient number, since it is larger than the sum of its proper divisors (464640281).

1045440603 is a wasteful number, since it uses less digits than its factorization.

1045440603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116160073 (or 116160070 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1045440603 is about 32333.2739294987. The cubic root of 1045440603 is about 1014.9230621064.

The spelling of 1045440603 in words is "one billion, forty-five million, four hundred forty thousand, six hundred three".