2158014445 has 8 divisors (see below), whose sum is σ = 2702209536. Its totient is φ = 1651350096.

The previous prime is 2158014437. The next prime is 2158014487. The reversal of 2158014445 is 5444108512.

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 2158014445 - 2³ = 2158014437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2158014445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9382557 + ... + 9382786.

It is an arithmetic number, because the mean of its divisors is an integer number (337776192).

Almost surely, 2^2158014445 is an apocalyptic number.

It is an amenable number.

2158014445 is a deficient number, since it is larger than the sum of its proper divisors (544195091).

2158014445 is a wasteful number, since it uses less digits than its factorization.

2158014445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18765371.

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 2158014445 is about 46454.4340725404. The cubic root of 2158014445 is about 1292.2646047601.

The spelling of 2158014445 in words is "two billion, one hundred fifty-eight million, fourteen thousand, four hundred forty-five".