102452515 has 12 divisors (see below), whose sum is σ = 135136512. Its totient is φ = 74510480.

The previous prime is 102452513. The next prime is 102452521. The reversal of 102452515 is 515254201.

It is not a de Polignac number, because 102452515 - 2¹ = 102452513 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 102452515.

It is not an unprimeable number, because it can be changed into a prime (102452513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84067 + ... + 85276.

It is an arithmetic number, because the mean of its divisors is an integer number (11261376).

Almost surely, 2^102452515 is an apocalyptic number.

102452515 is a deficient number, since it is larger than the sum of its proper divisors (32683997).

102452515 is a wasteful number, since it uses less digits than its factorization.

102452515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169370 (or 169359 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 102452515 is about 10121.8829769959. The cubic root of 102452515 is about 467.9228009001.

The spelling of 102452515 in words is "one hundred two million, four hundred fifty-two thousand, five hundred fifteen".