2243125545 has 8 divisors (see below), whose sum is σ = 3589000896. Its totient is φ = 1196333616.

The previous prime is 2243125529. The next prime is 2243125561. The reversal of 2243125545 is 5455213422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2243125529) and next prime (2243125561).

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

It is not a de Polignac number, because 2243125545 - 2⁴ = 2243125529 is a prime.

It is a super-2 number, since 2×2243125545² = 10063224421263094050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74770837 + ... + 74770866.

It is an arithmetic number, because the mean of its divisors is an integer number (448625112).

Almost surely, 2^2243125545 is an apocalyptic number.

It is an amenable number.

2243125545 is a deficient number, since it is larger than the sum of its proper divisors (1345875351).

2243125545 is a wasteful number, since it uses less digits than its factorization.

2243125545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149541711.

The product of its digits is 48000, while the sum is 33.

The square root of 2243125545 is about 47361.6463501851. The cubic root of 2243125545 is about 1309.0348046351.

Adding to 2243125545 its reverse (5455213422), we get a palindrome (7698338967).

The spelling of 2243125545 in words is "two billion, two hundred forty-three million, one hundred twenty-five thousand, five hundred forty-five".