225603401345 has 32 divisors (see below), whose sum is σ = 316227649536. Its totient is φ = 151319448000.

The previous prime is 225603401333. The next prime is 225603401383. The reversal of 225603401345 is 543104306522.

It is not a de Polignac number, because 225603401345 - 2¹⁶ = 225603335809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41831 + ... + 673020.

It is an arithmetic number, because the mean of its divisors is an integer number (9882114048).

Almost surely, 2^225603401345 is an apocalyptic number.

It is an amenable number.

225603401345 is a deficient number, since it is larger than the sum of its proper divisors (90624248191).

225603401345 is a wasteful number, since it uses less digits than its factorization.

225603401345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715061.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 225603401345 its reverse (543104306522), we get a palindrome (768707707867).

The spelling of 225603401345 in words is "two hundred twenty-five billion, six hundred three million, four hundred one thousand, three hundred forty-five".