102243135 has 32 divisors (see below), whose sum is σ = 169682688. Its totient is φ = 52532480.

The previous prime is 102243133. The next prime is 102243149. The reversal of 102243135 is 531342201.

It is not a de Polignac number, because 102243135 - 2¹ = 102243133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102243131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50044 + ... + 52046.

It is an arithmetic number, because the mean of its divisors is an integer number (5302584).

Almost surely, 2^102243135 is an apocalyptic number.

102243135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102243135 is a deficient number, since it is larger than the sum of its proper divisors (67439553).

102243135 is a wasteful number, since it uses less digits than its factorization.

102243135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 102243135 is about 10111.5347499774. The cubic root of 102243135 is about 467.6038222521.

Adding to 102243135 its reverse (531342201), we get a palindrome (633585336).

It can be divided in two parts, 102243 and 135, that added together give a triangular number (102378 = T₄₅₂).

The spelling of 102243135 in words is "one hundred two million, two hundred forty-three thousand, one hundred thirty-five".