243275151 has 32 divisors (see below), whose sum is σ = 400550400. Its totient is φ = 130827648.

The previous prime is 243275063. The next prime is 243275161. The reversal of 243275151 is 151572342.

It is not a de Polignac number, because 243275151 - 2¹¹ = 243273103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243275161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10540 + ... + 24446.

It is an arithmetic number, because the mean of its divisors is an integer number (12517200).

Almost surely, 2^243275151 is an apocalyptic number.

243275151 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

243275151 is a deficient number, since it is larger than the sum of its proper divisors (157275249).

243275151 is a wasteful number, since it uses less digits than its factorization.

243275151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13948 (or 13934 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 243275151 is about 15597.2802436835. The cubic root of 243275151 is about 624.2605877629.

The spelling of 243275151 in words is "two hundred forty-three million, two hundred seventy-five thousand, one hundred fifty-one".