87302245 has 8 divisors (see below), whose sum is σ = 110276640. Its totient is φ = 66165840.

The previous prime is 87302221. The next prime is 87302249. The reversal of 87302245 is 54220378.

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

It is not a de Polignac number, because 87302245 - 2¹⁵ = 87269477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87302249) 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, 459391 + ... + 459580.

It is an arithmetic number, because the mean of its divisors is an integer number (13784580).

Almost surely, 2^87302245 is an apocalyptic number.

It is an amenable number.

87302245 is a deficient number, since it is larger than the sum of its proper divisors (22974395).

87302245 is a wasteful number, since it uses less digits than its factorization.

87302245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918995.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 87302245 is about 9343.5670383425. The cubic root of 87302245 is about 443.6172962971.

The spelling of 87302245 in words is "eighty-seven million, three hundred two thousand, two hundred forty-five".