1045034109 has 32 divisors (see below), whose sum is σ = 1782144000. Its totient is φ = 592851312.

The previous prime is 1045034101. The next prime is 1045034113. The reversal of 1045034109 is 9014305401.

It is not a de Polignac number, because 1045034109 - 2³ = 1045034101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045034101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6382 + ... + 46160.

It is an arithmetic number, because the mean of its divisors is an integer number (55692000).

Almost surely, 2^1045034109 is an apocalyptic number.

It is an amenable number.

1045034109 is a deficient number, since it is larger than the sum of its proper divisors (737109891).

1045034109 is a wasteful number, since it uses less digits than its factorization.

1045034109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39934 (or 39928 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1045034109 is about 32326.9873171009. The cubic root of 1045034109 is about 1014.7915023867.

The spelling of 1045034109 in words is "one billion, forty-five million, thirty-four thousand, one hundred nine".