1044520144 has 20 divisors (see below), whose sum is σ = 2093543460. Its totient is φ = 504250880.

The previous prime is 1044520111. The next prime is 1044520177. The reversal of 1044520144 is 4410254401.

It is an interprime number because it is at equal distance from previous prime (1044520111) and next prime (1044520177).

It can be written as a sum of positive squares in 2 ways, for example, as 496398400 + 548121744 = 22280^2 + 23412^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125097 + ... + 1126024.

It is an arithmetic number, because the mean of its divisors is an integer number (104677173).

Almost surely, 2^1044520144 is an apocalyptic number.

It is an amenable number.

1044520144 is an abundant number, since it is smaller than the sum of its proper divisors (1049023316).

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

1044520144 is a wasteful number, since it uses less digits than its factorization.

1044520144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251158 (or 2251152 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 1044520144 is about 32319.0368668375. The cubic root of 1044520144 is about 1014.6251113766.

Adding to 1044520144 its reverse (4410254401), we get a palindrome (5454774545).

The spelling of 1044520144 in words is "one billion, forty-four million, five hundred twenty thousand, one hundred forty-four".