2043145461 has 16 divisors (see below), whose sum is σ = 3115226624. Its totient is φ = 1166813424.

The previous prime is 2043145421. The next prime is 2043145483. The reversal of 2043145461 is 1645413402.

It is not a de Polignac number, because 2043145461 - 2¹⁰ = 2043144437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043145421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7950 + ... + 64416.

It is an arithmetic number, because the mean of its divisors is an integer number (194701664).

Almost surely, 2^2043145461 is an apocalyptic number.

2043145461 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2043145461 is a deficient number, since it is larger than the sum of its proper divisors (1072081163).

2043145461 is a wasteful number, since it uses less digits than its factorization.

2043145461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58200.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 2043145461 is about 45201.1665889278. The cubic root of 2043145461 is about 1268.9166492383.

Adding to 2043145461 its reverse (1645413402), we get a palindrome (3688558863).

The spelling of 2043145461 in words is "two billion, forty-three million, one hundred forty-five thousand, four hundred sixty-one".