16144540 has 24 divisors (see below), whose sum is σ = 34025040. Its totient is φ = 6434688.

The previous prime is 16144523. The next prime is 16144553. The reversal of 16144540 is 4544161.

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, 4971 + ... + 7549.

It is an arithmetic number, because the mean of its divisors is an integer number (1417710).

Almost surely, 2^16144540 is an apocalyptic number.

16144540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16144540 is an abundant number, since it is smaller than the sum of its proper divisors (17880500).

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

16144540 is a wasteful number, since it uses less digits than its factorization.

16144540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901 (or 2899 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 16144540 is about 4018.0268789544. The cubic root of 16144540 is about 252.7407239313.

The spelling of 16144540 in words is "sixteen million, one hundred forty-four thousand, five hundred forty".