243106151 has 4 divisors (see below), whose sum is σ = 243160152. Its totient is φ = 243052152.

The previous prime is 243106141. The next prime is 243106207. The reversal of 243106151 is 151601342.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 243106151 - 2¹⁴ = 243089767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243106141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19565 + ... + 29478.

It is an arithmetic number, because the mean of its divisors is an integer number (60790038).

Almost surely, 2^243106151 is an apocalyptic number.

243106151 is a deficient number, since it is larger than the sum of its proper divisors (54001).

243106151 is an equidigital number, since it uses as much as digits as its factorization.

243106151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54000.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 243106151 is about 15591.8616912798. The cubic root of 243106151 is about 624.1159991107.

Adding to 243106151 its reverse (151601342), we get a palindrome (394707493).

The spelling of 243106151 in words is "two hundred forty-three million, one hundred six thousand, one hundred fifty-one".