1045748999 has 16 divisors (see below), whose sum is σ = 1168473600. Its totient is φ = 930086784.

The previous prime is 1045748983. The next prime is 1045749011. The reversal of 1045748999 is 9998475401.

It is not a de Polignac number, because 1045748999 - 2⁴ = 1045748983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045748939) 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 15 ways as a sum of consecutive naturals, for example, 131474 + ... + 139200.

It is an arithmetic number, because the mean of its divisors is an integer number (73029600).

Almost surely, 2^1045748999 is an apocalyptic number.

1045748999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1045748999 is a deficient number, since it is larger than the sum of its proper divisors (122724601).

1045748999 is a wasteful number, since it uses less digits than its factorization.

1045748999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8182.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The square root of 1045748999 is about 32338.0425969167. The cubic root of 1045748999 is about 1015.0228501574.

The spelling of 1045748999 in words is "one billion, forty-five million, seven hundred forty-eight thousand, nine hundred ninety-nine".