105453215 has 8 divisors (see below), whose sum is σ = 144621600. Its totient is φ = 72310752.

The previous prime is 105453197. The next prime is 105453221. The reversal of 105453215 is 512354501.

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 105453215 - 2¹² = 105449119 is a prime.

It is a super-2 number, since 2×105453215² = 22240761107672450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1506440 + ... + 1506509.

It is an arithmetic number, because the mean of its divisors is an integer number (18077700).

Almost surely, 2^105453215 is an apocalyptic number.

105453215 is a deficient number, since it is larger than the sum of its proper divisors (39168385).

105453215 is an equidigital number, since it uses as much as digits as its factorization.

105453215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012961.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 105453215 is about 10269.0415813746. The cubic root of 105453215 is about 472.4471950918.

The spelling of 105453215 in words is "one hundred five million, four hundred fifty-three thousand, two hundred fifteen".