245123553254 has 8 divisors (see below), whose sum is σ = 367690446840. Its totient is φ = 122560070976.

The previous prime is 245123553253. The next prime is 245123553319. The reversal of 245123553254 is 452355321542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245123553253) 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 3 ways as a sum of consecutive naturals, for example, 664904 + ... + 965579.

It is an arithmetic number, because the mean of its divisors is an integer number (45961305855).

Almost surely, 2^245123553254 is an apocalyptic number.

245123553254 is a deficient number, since it is larger than the sum of its proper divisors (122566893586).

245123553254 is a wasteful number, since it uses less digits than its factorization.

245123553254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705654.

The product of its digits is 720000, while the sum is 41.

Adding to 245123553254 its reverse (452355321542), we get a palindrome (697478874796).

The spelling of 245123553254 in words is "two hundred forty-five billion, one hundred twenty-three million, five hundred fifty-three thousand, two hundred fifty-four".