1045012332 has 96 divisors (see below), whose sum is σ = 3104640000. Its totient is φ = 266095872.

The previous prime is 1045012277. The next prime is 1045012393. The reversal of 1045012332 is 2332105401.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1045012299 and 1045012308.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15169 + ... + 48167.

It is an arithmetic number, because the mean of its divisors is an integer number (32340000).

Almost surely, 2^1045012332 is an apocalyptic number.

1045012332 is a gapful number since it is divisible by the number (12) 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 1045012332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1552320000).

1045012332 is an abundant number, since it is smaller than the sum of its proper divisors (2059627668).

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

1045012332 is a wasteful number, since it uses less digits than its factorization.

1045012332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33055 (or 33053 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1045012332 is about 32326.6504915062. The cubic root of 1045012332 is about 1014.7844534085.

Adding to 1045012332 its reverse (2332105401), we get a palindrome (3377117733).

The spelling of 1045012332 in words is "one billion, forty-five million, twelve thousand, three hundred thirty-two".