243000153451 has 24 divisors (see below), whose sum is σ = 273693398832. Its totient is φ = 215458636800.

The previous prime is 243000153419. The next prime is 243000153491. The reversal of 243000153451 is 154351000342.

243000153451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 243000153451 - 2⁵ = 243000153419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243000153491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29052396 + ... + 29060758.

It is an arithmetic number, because the mean of its divisors is an integer number (11403891618).

Almost surely, 2^243000153451 is an apocalyptic number.

243000153451 is a deficient number, since it is larger than the sum of its proper divisors (30693245381).

243000153451 is a wasteful number, since it uses less digits than its factorization.

243000153451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14283 (or 14272 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 243000153451 its reverse (154351000342), we get a palindrome (397351153793).

The spelling of 243000153451 in words is "two hundred forty-three billion, one hundred fifty-three thousand, four hundred fifty-one".