10102155 has 16 divisors (see below), whose sum is σ = 18472704. Its totient is φ = 4618080.

The previous prime is 10102151. The next prime is 10102177. The reversal of 10102155 is 55120101.

It is not a de Polignac number, because 10102155 - 2² = 10102151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (10102151) by changing a digit.

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, 48001 + ... + 48210.

It is an arithmetic number, because the mean of its divisors is an integer number (1154544).

Almost surely, 2^10102155 is an apocalyptic number.

10102155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10102155 is a deficient number, since it is larger than the sum of its proper divisors (8370549).

10102155 is an equidigital number, since it uses as much as digits as its factorization.

10102155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96226.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 10102155 is about 3178.3887427437. The cubic root of 10102155 is about 216.1746059025.

Adding to 10102155 its reverse (55120101), we get a palindrome (65222256).

The spelling of 10102155 in words is "ten million, one hundred two thousand, one hundred fifty-five".