2240000145 has 24 divisors (see below), whose sum is σ = 3922702056. Its totient is φ = 1182348288.

The previous prime is 2240000137. The next prime is 2240000159. The reversal of 2240000145 is 5410000422.

It can be written as a sum of positive squares in 4 ways, for example, as 2331729 + 2237668416 = 1527^2 + 47304^2 .

It is not a de Polignac number, because 2240000145 - 2³ = 2240000137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252222 + ... + 260951.

It is an arithmetic number, because the mean of its divisors is an integer number (163445919).

Almost surely, 2^2240000145 is an apocalyptic number.

It is an amenable number.

2240000145 is a deficient number, since it is larger than the sum of its proper divisors (1682701911).

2240000145 is a wasteful number, since it uses less digits than its factorization.

2240000145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513281 (or 513278 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2240000145 is about 47328.6397966390. The cubic root of 2240000145 is about 1308.4265523079.

Adding to 2240000145 its reverse (5410000422), we get a palindrome (7650000567).

The spelling of 2240000145 in words is "two billion, two hundred forty million, one hundred forty-five", and thus it is an aban number.