234245425545 has 24 divisors (see below), whose sum is σ = 406270570056. Its totient is φ = 124855458048.

The previous prime is 234245425541. The next prime is 234245425553. The reversal of 234245425545 is 545524542432.

234245425545 is a `hidden beast` number, since 2 + 3 + 42 + 4 + 54 + 2 + 554 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 41772819456 + 192472606089 = 204384^2 + 438717^2 .

It is not a de Polignac number, because 234245425545 - 2² = 234245425541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 234245425545.

It is not an unprimeable number, because it can be changed into a prime (234245425541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1496182 + ... + 1645311.

It is an arithmetic number, because the mean of its divisors is an integer number (16927940419).

Almost surely, 2^234245425545 is an apocalyptic number.

It is an amenable number.

234245425545 is a deficient number, since it is larger than the sum of its proper divisors (172025144511).

234245425545 is a wasteful number, since it uses less digits than its factorization.

234245425545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143161 (or 3143158 counting only the distinct ones).

The product of its digits is 3840000, while the sum is 45.

Adding to 234245425545 its reverse (545524542432), we get a palindrome (779769967977).

The spelling of 234245425545 in words is "two hundred thirty-four billion, two hundred forty-five million, four hundred twenty-five thousand, five hundred forty-five".