1045646433 has 18 divisors (see below), whose sum is σ = 1635500646. Its totient is φ = 643473792.

The previous prime is 1045646429. The next prime is 1045646443. The reversal of 1045646433 is 3346465401.

1045646433 is a `hidden beast` number, since 1 + 0 + 4 + 5 + 6 + 4 + 643 + 3 = 666.

1045646433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 4422609 + 1041223824 = 2103^2 + 32268^2 .

It is not a de Polignac number, because 1045646433 - 2² = 1045646429 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045646443) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 342216 + ... + 345257.

It is an arithmetic number, because the mean of its divisors is an integer number (90861147).

Almost surely, 2^1045646433 is an apocalyptic number.

1045646433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1045646433 is a deficient number, since it is larger than the sum of its proper divisors (589854213).

1045646433 is a wasteful number, since it uses less digits than its factorization.

1045646433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687505 (or 687489 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 1045646433 is about 32336.4567168390. The cubic root of 1045646433 is about 1014.9896649356.

The spelling of 1045646433 in words is "one billion, forty-five million, six hundred forty-six thousand, four hundred thirty-three".