1045053009 has 80 divisors (see below), whose sum is σ = 2096223360. Its totient is φ = 501085440.

The previous prime is 1045052999. The next prime is 1045053011. The reversal of 1045053009 is 9003505401.

It is not a de Polignac number, because 1045053009 - 2¹² = 1045048913 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (1045053089) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 74637 + ... + 87525.

It is an arithmetic number, because the mean of its divisors is an integer number (26202792).

Almost surely, 2^1045053009 is an apocalyptic number.

It is an amenable number.

1045053009 is an abundant number, since it is smaller than the sum of its proper divisors (1051170351).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1045053009 is a wasteful number, since it uses less digits than its factorization.

1045053009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12932 (or 12923 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 1045053009 is about 32327.2796411947. The cubic root of 1045053009 is about 1014.7976200319.

The spelling of 1045053009 in words is "one billion, forty-five million, fifty-three thousand, nine".