2240143457 has 2 divisors, whose sum is σ = 2240143458. Its totient is φ = 2240143456.

The previous prime is 2240143379. The next prime is 2240143463. The reversal of 2240143457 is 7543410422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1348284961 + 891858496 = 36719^2 + 29864^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240143457 - 2⁸ = 2240143201 is a prime.

It is not a weakly prime, because it can be changed into another prime (2240103457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120071728 + 1120071729.

It is an arithmetic number, because the mean of its divisors is an integer number (1120071729).

Almost surely, 2^2240143457 is an apocalyptic number.

It is an amenable number.

2240143457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240143457 is an equidigital number, since it uses as much as digits as its factorization.

2240143457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 2240143457 is about 47330.1537817066. The cubic root of 2240143457 is about 1308.4544554649.

Adding to 2240143457 its reverse (7543410422), we get a palindrome (9783553879).

The spelling of 2240143457 in words is "two billion, two hundred forty million, one hundred forty-three thousand, four hundred fifty-seven".