102255245 has 16 divisors (see below), whose sum is σ = 129617280. Its totient is φ = 77227200.

The previous prime is 102255227. The next prime is 102255277. The reversal of 102255245 is 542552201.

It is not a de Polignac number, because 102255245 - 2¹⁰ = 102254221 is a prime.

It is a super-2 number, since 2×102255245² = 20912270260020050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27815 + ... + 31275.

It is an arithmetic number, because the mean of its divisors is an integer number (8101080).

Almost surely, 2^102255245 is an apocalyptic number.

It is an amenable number.

102255245 is a deficient number, since it is larger than the sum of its proper divisors (27362035).

102255245 is a wasteful number, since it uses less digits than its factorization.

102255245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3796.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 102255245 is about 10112.1335533111. The cubic root of 102255245 is about 467.6222830147.

The spelling of 102255245 in words is "one hundred two million, two hundred fifty-five thousand, two hundred forty-five".