2241532145 has 4 divisors (see below), whose sum is σ = 2689838580. Its totient is φ = 1793225712.

The previous prime is 2241532133. The next prime is 2241532151. The reversal of 2241532145 is 5412351422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5412351422 = 2 ⋅2706175711.

It can be written as a sum of positive squares in 2 ways, for example, as 1000520161 + 1241011984 = 31631^2 + 35228^2 .

It is a cyclic number.

It is not a de Polignac number, because 2241532145 - 2¹⁰ = 2241531121 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224153210 + ... + 224153219.

It is an arithmetic number, because the mean of its divisors is an integer number (672459645).

Almost surely, 2^2241532145 is an apocalyptic number.

It is an amenable number.

2241532145 is a deficient number, since it is larger than the sum of its proper divisors (448306435).

2241532145 is an equidigital number, since it uses as much as digits as its factorization.

2241532145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448306434.

The product of its digits is 9600, while the sum is 29.

The square root of 2241532145 is about 47344.8217337440. The cubic root of 2241532145 is about 1308.7247744123.

Adding to 2241532145 its reverse (5412351422), we get a palindrome (7653883567).

The spelling of 2241532145 in words is "two billion, two hundred forty-one million, five hundred thirty-two thousand, one hundred forty-five".