243112045151 has 2 divisors, whose sum is σ = 243112045152. Its totient is φ = 243112045150.

The previous prime is 243112045109. The next prime is 243112045177. The reversal of 243112045151 is 151540211342.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243112045151 - 2²⁶ = 243044936287 is a prime.

It is a super-2 number, since 2×243112045151² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243112045951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121556022575 + 121556022576.

It is an arithmetic number, because the mean of its divisors is an integer number (121556022576).

Almost surely, 2^243112045151 is an apocalyptic number.

243112045151 is a deficient number, since it is larger than the sum of its proper divisors (1).

243112045151 is an equidigital number, since it uses as much as digits as its factorization.

243112045151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 243112045151 its reverse (151540211342), we get a palindrome (394652256493).

The spelling of 243112045151 in words is "two hundred forty-three billion, one hundred twelve million, forty-five thousand, one hundred fifty-one".