1449149172 has 24 divisors (see below), whose sum is σ = 3384288096. Its totient is φ = 482629728.

The previous prime is 1449149129. The next prime is 1449149197. The reversal of 1449149172 is 2719419441.

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 7 ways as a sum of consecutive naturals, for example, 37963 + ... + 65874.

It is an arithmetic number, because the mean of its divisors is an integer number (141012004).

Almost surely, 2^1449149172 is an apocalyptic number.

1449149172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1449149172 is an abundant number, since it is smaller than the sum of its proper divisors (1935138924).

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

1449149172 is a wasteful number, since it uses less digits than its factorization.

1449149172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105007 (or 105005 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 1449149172 is about 38067.6919710140. The cubic root of 1449149172 is about 1131.6297708805.

The spelling of 1449149172 in words is "one billion, four hundred forty-nine million, one hundred forty-nine thousand, one hundred seventy-two".