245123032405 has 16 divisors (see below), whose sum is σ = 297902891520. Its totient is φ = 193595455872.

The previous prime is 245123032403. The next prime is 245123032457. The reversal of 245123032405 is 504230321542.

It is a cyclic number.

It is not a de Polignac number, because 245123032405 - 2¹ = 245123032403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245123032403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4418952 + ... + 4474078.

It is an arithmetic number, because the mean of its divisors is an integer number (18618930720).

Almost surely, 2^245123032405 is an apocalyptic number.

It is an amenable number.

245123032405 is a deficient number, since it is larger than the sum of its proper divisors (52779859115).

245123032405 is a wasteful number, since it uses less digits than its factorization.

245123032405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66468.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 245123032405 its reverse (504230321542), we get a palindrome (749353353947).

The spelling of 245123032405 in words is "two hundred forty-five billion, one hundred twenty-three million, thirty-two thousand, four hundred five".