1045512664 has 64 divisors (see below), whose sum is σ = 2299968000. Its totient is φ = 436230144.

The previous prime is 1045512649. The next prime is 1045512667. The reversal of 1045512664 is 4662155401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045512667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1080709 + ... + 1081675.

It is an arithmetic number, because the mean of its divisors is an integer number (35937000).

Almost surely, 2^1045512664 is an apocalyptic number.

1045512664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1045512664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1149984000).

1045512664 is an abundant number, since it is smaller than the sum of its proper divisors (1254455336).

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

1045512664 is a wasteful number, since it uses less digits than its factorization.

1045512664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472 (or 1468 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 1045512664 is about 32334.3882577048. The cubic root of 1045512664 is about 1014.9463807245.

The spelling of 1045512664 in words is "one billion, forty-five million, five hundred twelve thousand, six hundred sixty-four".