1045065384 has 144 divisors (see below), whose sum is σ = 3137097600. Its totient is φ = 314043840.

The previous prime is 1045065383. The next prime is 1045065409. The reversal of 1045065384 is 4835605401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1045065383) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1210537 + ... + 1211399.

It is an arithmetic number, because the mean of its divisors is an integer number (21785400).

Almost surely, 2^1045065384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1045065384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1568548800).

1045065384 is an abundant number, since it is smaller than the sum of its proper divisors (2092032216).

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

1045065384 is a wasteful number, since it uses less digits than its factorization.

1045065384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 1045065384 is about 32327.4710424431. The cubic root of 1045065384 is about 1014.8016255930.

The spelling of 1045065384 in words is "one billion, forty-five million, sixty-five thousand, three hundred eighty-four".