102255430 has 32 divisors (see below), whose sum is σ = 187492320. Its totient is φ = 40147200.

The previous prime is 102255403. The next prime is 102255469. The reversal of 102255430 is 34552201.

It is a super-3 number, since 3×102255430³ (a number of 25 digits) contains 333 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, 138001 + ... + 138739.

It is an arithmetic number, because the mean of its divisors is an integer number (5859135).

Almost surely, 2^102255430 is an apocalyptic number.

102255430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102255430 is a deficient number, since it is larger than the sum of its proper divisors (85236890).

102255430 is a wasteful number, since it uses less digits than its factorization.

102255430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 102255430 is about 10112.1427007336. The cubic root of 102255430 is about 467.6225650217.

The spelling of 102255430 in words is "one hundred two million, two hundred fifty-five thousand, four hundred thirty".