1045991233 has 8 divisors (see below), whose sum is σ = 1206591552. Its totient is φ = 888184176.

The previous prime is 1045991213. The next prime is 1045991237. The reversal of 1045991233 is 3321995401.

1045991233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1045991233 - 2²⁵ = 1012436801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1045991192 and 1045991201.

It is not an unprimeable number, because it can be changed into a prime (1045991237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697510 + ... + 699007.

It is an arithmetic number, because the mean of its divisors is an integer number (150823944).

Almost surely, 2^1045991233 is an apocalyptic number.

It is an amenable number.

1045991233 is a deficient number, since it is larger than the sum of its proper divisors (160600319).

1045991233 is a wasteful number, since it uses less digits than its factorization.

1045991233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396631.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 1045991233 is about 32341.7877211511. The cubic root of 1045991233 is about 1015.1012163374.

The spelling of 1045991233 in words is "one billion, forty-five million, nine hundred ninety-one thousand, two hundred thirty-three".