223145245575 has 60 divisors (see below), whose sum is σ = 472391037360. Its totient is φ = 102009248640.

The previous prime is 223145245549. The next prime is 223145245591. The reversal of 223145245575 is 575542541322.

It is a happy number.

223145245575 is a `hidden beast` number, since 2 + 2 + 3 + 1 + 4 + 524 + 55 + 75 = 666.

It is not a de Polignac number, because 223145245575 - 2⁷ = 223145245447 is a prime.

It is a super-3 number, since 3×223145245575³ (a number of 35 digits) contains 333 as substring.

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 223145245575.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 7856910 + ... + 7885259.

It is an arithmetic number, because the mean of its divisors is an integer number (7873183956).

Almost surely, 2^223145245575 is an apocalyptic number.

223145245575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

223145245575 is an abundant number, since it is smaller than the sum of its proper divisors (249245791785).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223145245575 is a wasteful number, since it uses less digits than its factorization.

223145245575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15742198 (or 15742184 counting only the distinct ones).

The product of its digits is 1680000, while the sum is 45.

Adding to 223145245575 its reverse (575542541322), we get a palindrome (798687786897).

The spelling of 223145245575 in words is "two hundred twenty-three billion, one hundred forty-five million, two hundred forty-five thousand, five hundred seventy-five".