14149728 has 120 divisors (see below), whose sum is σ = 42810768. Its totient is φ = 4582656.

The previous prime is 14149727. The next prime is 14149739. The reversal of 14149728 is 82794141.

14149728 is a `hidden beast` number, since 141 + 497 + 28 = 666.

14149728 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 14149692 and 14149701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14149727) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 137325 + ... + 137427.

Almost surely, 2^14149728 is an apocalyptic number.

14149728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14149728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21405384).

14149728 is an abundant number, since it is smaller than the sum of its proper divisors (28661040).

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

14149728 is a wasteful number, since it uses less digits than its factorization.

14149728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 161 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 14149728 is about 3761.6124202262. The cubic root of 14149728 is about 241.8703857061.

The spelling of 14149728 in words is "fourteen million, one hundred forty-nine thousand, seven hundred twenty-eight".