245223455 has 16 divisors (see below), whose sum is σ = 299268000. Its totient is φ = 192873600.

The previous prime is 245223431. The next prime is 245223463. The reversal of 245223455 is 554322542.

It is a de Polignac number, because none of the positive numbers 2^k-245223455 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73616 + ... + 76874.

It is an arithmetic number, because the mean of its divisors is an integer number (18704250).

Almost surely, 2^245223455 is an apocalyptic number.

245223455 is a deficient number, since it is larger than the sum of its proper divisors (54044545).

245223455 is a wasteful number, since it uses less digits than its factorization.

245223455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514.

The product of its digits is 48000, while the sum is 32.

The square root of 245223455 is about 15659.6122238068. The cubic root of 245223455 is about 625.9226522037.

Adding to 245223455 its reverse (554322542), we get a palindrome (799545997).

The spelling of 245223455 in words is "two hundred forty-five million, two hundred twenty-three thousand, four hundred fifty-five".