2143053545 has 8 divisors (see below), whose sum is σ = 2573664000. Its totient is φ = 1713109680.

The previous prime is 2143053509. The next prime is 2143053547. The reversal of 2143053545 is 5453503412.

It is a happy number.

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

It is not a de Polignac number, because 2143053545 - 2¹⁶ = 2142988009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143053547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159545 + ... + 172454.

It is an arithmetic number, because the mean of its divisors is an integer number (321708000).

Almost surely, 2^2143053545 is an apocalyptic number.

It is an amenable number.

2143053545 is a deficient number, since it is larger than the sum of its proper divisors (430610455).

2143053545 is a wasteful number, since it uses less digits than its factorization.

2143053545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333295.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 2143053545 is about 46293.1263256220. The cubic root of 2143053545 is about 1289.2713760855.

Adding to 2143053545 its reverse (5453503412), we get a palindrome (7596556957).

The spelling of 2143053545 in words is "two billion, one hundred forty-three million, fifty-three thousand, five hundred forty-five".