2044145100 has 36 divisors (see below), whose sum is σ = 5914394024. Its totient is φ = 545105280.

The previous prime is 2044145099. The next prime is 2044145111. The reversal of 2044145100 is 15414402.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3406609 + ... + 3407208.

Almost surely, 2^2044145100 is an apocalyptic number.

2044145100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044145100 is an abundant number, since it is smaller than the sum of its proper divisors (3870248924).

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

2044145100 is a wasteful number, since it uses less digits than its factorization.

2044145100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6813834 (or 6813827 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2044145100 is about 45212.2229048739. Note that the first 3 decimals coincide. The cubic root of 2044145100 is about 1269.1235608818.

Adding to 2044145100 its reverse (15414402), we get a palindrome (2059559502).

The spelling of 2044145100 in words is "two billion, forty-four million, one hundred forty-five thousand, one hundred".