2145201054443 has 8 divisors (see below), whose sum is σ = 2151774571056. Its totient is φ = 2138628096000.

The previous prime is 2145201054431. The next prime is 2145201054473. The reversal of 2145201054443 is 3444501025412.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2145201054443 - 2¹⁴ = 2145201038059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2145201054413) 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, 8347355 + ... + 8600507.

It is an arithmetic number, because the mean of its divisors is an integer number (268971821382).

Almost surely, 2^{2145201054443} is an apocalyptic number.

2145201054443 is a deficient number, since it is larger than the sum of its proper divisors (6573516613).

2145201054443 is a wasteful number, since it uses less digits than its factorization.

2145201054443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279085.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 2145201054443 its reverse (3444501025412), we get a palindrome (5589702079855).

The spelling of 2145201054443 in words is "two trillion, one hundred forty-five billion, two hundred one million, fifty-four thousand, four hundred forty-three".