16105144 has 32 divisors (see below), whose sum is σ = 33145200. Its totient is φ = 7275520.

The previous prime is 16105139. The next prime is 16105147. The reversal of 16105144 is 44150161.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16105147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16872 + ... + 17800.

Almost surely, 2^16105144 is an apocalyptic number.

It is an amenable number.

16105144 is an abundant number, since it is smaller than the sum of its proper divisors (17040056).

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

16105144 is a wasteful number, since it uses less digits than its factorization.

16105144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 16105144 is about 4013.1214783507. The cubic root of 16105144 is about 252.5349766925.

It can be divided in two parts, 161051 and 44, that multiplied together give a square (7086244 = 2662²).

The spelling of 16105144 in words is "sixteen million, one hundred five thousand, one hundred forty-four".