243245051451 has 24 divisors (see below), whose sum is σ = 369866864640. Its totient is φ = 153619902000.

The previous prime is 243245051449. The next prime is 243245051479. The reversal of 243245051451 is 154150542342.

243245051451 is a `hidden beast` number, since 2 + 4 + 3 + 2 + 4 + 505 + 145 + 1 = 666.

243245051451 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 243245051451 - 2¹ = 243245051449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243245051411) 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, 4685406 + ... + 4737036.

It is an arithmetic number, because the mean of its divisors is an integer number (15411119360).

Almost surely, 2^243245051451 is an apocalyptic number.

243245051451 is a deficient number, since it is larger than the sum of its proper divisors (126621813189).

243245051451 is a wasteful number, since it uses less digits than its factorization.

243245051451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79207 (or 79204 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 243245051451 its reverse (154150542342), we get a palindrome (397395593793).

The spelling of 243245051451 in words is "two hundred forty-three billion, two hundred forty-five million, fifty-one thousand, four hundred fifty-one".