102453115 has 4 divisors (see below), whose sum is σ = 122943744. Its totient is φ = 81962488.

The previous prime is 102453107. The next prime is 102453157. The reversal of 102453115 is 511354201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 511354201 = 19 ⋅26913379.

It is a cyclic number.

It is not a de Polignac number, because 102453115 - 2³ = 102453107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10245307 + ... + 10245316.

It is an arithmetic number, because the mean of its divisors is an integer number (30735936).

Almost surely, 2^102453115 is an apocalyptic number.

102453115 is a deficient number, since it is larger than the sum of its proper divisors (20490629).

102453115 is an equidigital number, since it uses as much as digits as its factorization.

102453115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20490628.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 102453115 is about 10121.9126157066. The cubic root of 102453115 is about 467.9237143416.

The spelling of 102453115 in words is "one hundred two million, four hundred fifty-three thousand, one hundred fifteen".