243147102 has 16 divisors (see below), whose sum is σ = 530502912. Its totient is φ = 73680920.

The previous prime is 243147077. The next prime is 243147103. The reversal of 243147102 is 201741342.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243147103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1841958 + ... + 1842089.

It is an arithmetic number, because the mean of its divisors is an integer number (33156432).

Almost surely, 2^243147102 is an apocalyptic number.

243147102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243147102 is an abundant number, since it is smaller than the sum of its proper divisors (287355810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243147102 is a wasteful number, since it uses less digits than its factorization.

243147102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3684063.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 243147102 is about 15593.1748531208. The cubic root of 243147102 is about 624.1510410587.

Adding to 243147102 its reverse (201741342), we get a palindrome (444888444).

The spelling of 243147102 in words is "two hundred forty-three million, one hundred forty-seven thousand, one hundred two".