1045103409 has 18 divisors (see below), whose sum is σ = 1756058850. Its totient is φ = 597201696.

The previous prime is 1045103401. The next prime is 1045103419. The reversal of 1045103409 is 9043015401.

1045103409 is a `hidden beast` number, since 104 + 510 + 3 + 40 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 904325184 + 140778225 = 30072^2 + 11865^2 .

It is not a de Polignac number, because 1045103409 - 2³ = 1045103401 is a prime.

It is a super-2 number, since 2×1045103409² = 2184482271006842562, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1045103401) 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, 1184484 + ... + 1185365.

It is an arithmetic number, because the mean of its divisors is an integer number (97558825).

Almost surely, 2^1045103409 is an apocalyptic number.

It is an amenable number.

1045103409 is a deficient number, since it is larger than the sum of its proper divisors (710955441).

1045103409 is a wasteful number, since it uses less digits than its factorization.

1045103409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369869 (or 2369859 counting only the distinct ones).

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

The square root of 1045103409 is about 32328.0591591886. The cubic root of 1045103409 is about 1014.8139333919.

The spelling of 1045103409 in words is "one billion, forty-five million, one hundred three thousand, four hundred nine".