102214155 has 8 divisors (see below), whose sum is σ = 163542672. Its totient is φ = 54514208.

The previous prime is 102214141. The next prime is 102214159. The reversal of 102214155 is 551412201.

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

It is a cyclic number.

It is not a de Polignac number, because 102214155 - 2¹¹ = 102212107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102214159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3407124 + ... + 3407153.

It is an arithmetic number, because the mean of its divisors is an integer number (20442834).

Almost surely, 2^102214155 is an apocalyptic number.

102214155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102214155 is a deficient number, since it is larger than the sum of its proper divisors (61328517).

102214155 is an equidigital number, since it uses as much as digits as its factorization.

102214155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6814285.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 102214155 is about 10110.1016315366. The cubic root of 102214155 is about 467.5596385544.

Adding to 102214155 its reverse (551412201), we get a palindrome (653626356).

The spelling of 102214155 in words is "one hundred two million, two hundred fourteen thousand, one hundred fifty-five".