1045212144 has 40 divisors (see below), whose sum is σ = 2701292880. Its totient is φ = 348254208.

The previous prime is 1045212067. The next prime is 1045212167. The reversal of 1045212144 is 4412125401.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203334 + ... + 208410.

It is an arithmetic number, because the mean of its divisors is an integer number (67532322).

Almost surely, 2^1045212144 is an apocalyptic number.

It is an amenable number.

1045212144 is an abundant number, since it is smaller than the sum of its proper divisors (1656080736).

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

1045212144 is a wasteful number, since it uses less digits than its factorization.

1045212144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9377 (or 9371 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1045212144 is about 32329.7408588439. The cubic root of 1045212144 is about 1014.8491267088.

Adding to 1045212144 its reverse (4412125401), we get a palindrome (5457337545).

The spelling of 1045212144 in words is "one billion, forty-five million, two hundred twelve thousand, one hundred forty-four".