87105245 has 8 divisors (see below), whose sum is σ = 104580960. Its totient is φ = 69647760.

The previous prime is 87105233. The next prime is 87105287. The reversal of 87105245 is 54250178.

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

It is not a de Polignac number, because 87105245 - 2⁸ = 87104989 is a prime.

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, 10466 + ... + 16844.

It is an arithmetic number, because the mean of its divisors is an integer number (13072620).

Almost surely, 2^87105245 is an apocalyptic number.

It is an amenable number.

87105245 is a deficient number, since it is larger than the sum of its proper divisors (17475715).

87105245 is a wasteful number, since it uses less digits than its factorization.

87105245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9115.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 87105245 is about 9333.0190720902. The cubic root of 87105245 is about 443.2833666464.

The spelling of 87105245 in words is "eighty-seven million, one hundred five thousand, two hundred forty-five".