2143041545 has 8 divisors (see below), whose sum is σ = 2583839040. Its totient is φ = 1706307120.

The previous prime is 2143041541. The next prime is 2143041557. The reversal of 2143041545 is 5451403412.

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

It is not a de Polignac number, because 2143041545 - 2² = 2143041541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143041541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014605 + ... + 1016714.

It is an arithmetic number, because the mean of its divisors is an integer number (322979880).

Almost surely, 2^2143041545 is an apocalyptic number.

It is an amenable number.

2143041545 is a deficient number, since it is larger than the sum of its proper divisors (440797495).

2143041545 is a wasteful number, since it uses less digits than its factorization.

2143041545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031535.

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

The square root of 2143041545 is about 46292.9967165661. The cubic root of 2143041545 is about 1289.2689696617.

Adding to 2143041545 its reverse (5451403412), we get a palindrome (7594444957).

The spelling of 2143041545 in words is "two billion, one hundred forty-three million, forty-one thousand, five hundred forty-five".