224999545 has 16 divisors (see below), whose sum is σ = 280098000. Its totient is φ = 173302528.

The previous prime is 224999531. The next prime is 224999561. The reversal of 224999545 is 545999422.

It can be written as a sum of positive squares in 8 ways, for example, as 9966649 + 215032896 = 3157^2 + 14664^2 .

It is a cyclic number.

It is not a de Polignac number, because 224999545 - 2¹⁷ = 224868473 is a prime.

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, 54411 + ... + 58399.

It is an arithmetic number, because the mean of its divisors is an integer number (17506125).

Almost surely, 2^224999545 is an apocalyptic number.

It is an amenable number.

224999545 is a deficient number, since it is larger than the sum of its proper divisors (55098455).

224999545 is a wasteful number, since it uses less digits than its factorization.

224999545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4412.

The product of its digits is 1166400, while the sum is 49.

The square root of 224999545 is about 14999.9848333257. The cubic root of 224999545 is about 608.2197895716.

The spelling of 224999545 in words is "two hundred twenty-four million, nine hundred ninety-nine thousand, five hundred forty-five".