102146224 has 10 divisors (see below), whose sum is σ = 197908340. Its totient is φ = 51073104.

The previous prime is 102146221. The next prime is 102146263. The reversal of 102146224 is 422641201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102146195 and 102146204.

It is not an unprimeable number, because it can be changed into a prime (102146221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3192054 + ... + 3192085.

It is an arithmetic number, because the mean of its divisors is an integer number (19790834).

Almost surely, 2^102146224 is an apocalyptic number.

It is an amenable number.

102146224 is a deficient number, since it is larger than the sum of its proper divisors (95762116).

102146224 is an equidigital number, since it uses as much as digits as its factorization.

102146224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6384147 (or 6384141 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 102146224 is about 10106.7415124757. The cubic root of 102146224 is about 467.4560363588.

Adding to 102146224 its reverse (422641201), we get a palindrome (524787425).

The spelling of 102146224 in words is "one hundred two million, one hundred forty-six thousand, two hundred twenty-four".