224746145 has 8 divisors (see below), whose sum is σ = 290441256. Its totient is φ = 165966336.

The previous prime is 224746141. The next prime is 224746147. The reversal of 224746145 is 541647422.

It is a happy number.

224746145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7006609 + 217739536 = 2647^2 + 14756^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 224746145 - 2² = 224746141 is a prime.

It is a super-2 number, since 2×224746145² = 101021659384722050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224746141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1728752 + ... + 1728881.

It is an arithmetic number, because the mean of its divisors is an integer number (36305157).

Almost surely, 2^224746145 is an apocalyptic number.

It is an amenable number.

224746145 is a deficient number, since it is larger than the sum of its proper divisors (65695111).

224746145 is a wasteful number, since it uses less digits than its factorization.

224746145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3457651.

The product of its digits is 53760, while the sum is 35.

The square root of 224746145 is about 14991.5357785652. The cubic root of 224746145 is about 607.9913731247.

The spelling of 224746145 in words is "two hundred twenty-four million, seven hundred forty-six thousand, one hundred forty-five".