108146521 has 8 divisors (see below), whose sum is σ = 123672960. Its totient is φ = 92639328.

The previous prime is 108146429. The next prime is 108146543. The reversal of 108146521 is 125641801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 108146521 - 2⁹ = 108146009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108146521.

It is not an unprimeable number, because it can be changed into a prime (108143521) 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, 10485 + ... + 18061.

It is an arithmetic number, because the mean of its divisors is an integer number (15459120).

Almost surely, 2^108146521 is an apocalyptic number.

It is an amenable number.

108146521 is a deficient number, since it is larger than the sum of its proper divisors (15526439).

108146521 is an equidigital number, since it uses as much as digits as its factorization.

108146521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9623.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 108146521 is about 10399.3519509631. The cubic root of 108146521 is about 476.4355771523.

The spelling of 108146521 in words is "one hundred eight million, one hundred forty-six thousand, five hundred twenty-one".