243146046 has 48 divisors (see below), whose sum is σ = 574473600. Its totient is φ = 68009760.

The previous prime is 243146039. The next prime is 243146077. The reversal of 243146046 is 640641342.

243146046 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255 + ... + 22053.

It is an arithmetic number, because the mean of its divisors is an integer number (11968200).

Almost surely, 2^243146046 is an apocalyptic number.

243146046 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 243146046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287236800).

243146046 is an abundant number, since it is smaller than the sum of its proper divisors (331327554).

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

243146046 is a wasteful number, since it uses less digits than its factorization.

243146046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21841 (or 21828 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 243146046 is about 15593.1409921157. The cubic root of 243146046 is about 624.1501374844.

Adding to 243146046 its reverse (640641342), we get a palindrome (883787388).

The spelling of 243146046 in words is "two hundred forty-three million, one hundred forty-six thousand, forty-six".