1044045156 has 288 divisors, whose sum is σ = 3294756864. Its totient is φ = 254016000.

The previous prime is 1044045143. The next prime is 1044045161. The reversal of 1044045156 is 6515404401.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8220765 + ... + 8220891.

It is an arithmetic number, because the mean of its divisors is an integer number (11440128).

Almost surely, 2^1044045156 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 1044045156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1647378432).

1044045156 is an abundant number, since it is smaller than the sum of its proper divisors (2250711708).

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

1044045156 is a wasteful number, since it uses less digits than its factorization.

1044045156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1044045156 is about 32311.6876068088. The cubic root of 1044045156 is about 1014.4712902414.

Adding to 1044045156 its reverse (6515404401), we get a palindrome (7559449557).

The spelling of 1044045156 in words is "one billion, forty-four million, forty-five thousand, one hundred fifty-six".