103453728 has 48 divisors (see below), whose sum is σ = 310363200. Its totient is φ = 29558016.

The previous prime is 103453723. The next prime is 103453729. The reversal of 103453728 is 827354301.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (103453723) 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, 76303 + ... + 77646.

It is an arithmetic number, because the mean of its divisors is an integer number (6465900).

Almost surely, 2^103453728 is an apocalyptic number.

It is an amenable number.

103453728 is an abundant number, since it is smaller than the sum of its proper divisors (206909472).

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

103453728 is a wasteful number, since it uses less digits than its factorization.

103453728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153969 (or 153961 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 103453728 is about 10171.2205757225. The cubic root of 103453728 is about 469.4421145777.

The spelling of 103453728 in words is "one hundred three million, four hundred fifty-three thousand, seven hundred twenty-eight".