102343155 has 16 divisors (see below), whose sum is σ = 163877280. Its totient is φ = 54540288.

The previous prime is 102343151. The next prime is 102343187. The reversal of 102343155 is 551343201.

It is not a de Polignac number, because 102343155 - 2² = 102343151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102343151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30081 + ... + 33309.

It is an arithmetic number, because the mean of its divisors is an integer number (10242330).

Almost surely, 2^102343155 is an apocalyptic number.

102343155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102343155 is a deficient number, since it is larger than the sum of its proper divisors (61534125).

102343155 is a wasteful number, since it uses less digits than its factorization.

102343155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5350.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 102343155 is about 10116.4793777282. The cubic root of 102343155 is about 467.7562513668.

Adding to 102343155 its reverse (551343201), we get a palindrome (653686356).

The spelling of 102343155 in words is "one hundred two million, three hundred forty-three thousand, one hundred fifty-five".