2158010345 has 8 divisors (see below), whose sum is σ = 2741942664. Its totient is φ = 1624854784.

The previous prime is 2158010317. The next prime is 2158010357. The reversal of 2158010345 is 5430108512.

It can be written as a sum of positive squares in 4 ways, for example, as 719097856 + 1438912489 = 26816^2 + 37933^2 .

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 2158010345 - 2²⁶ = 2090901481 is a prime.

It is a Duffinian 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, 12694094 + ... + 12694263.

It is an arithmetic number, because the mean of its divisors is an integer number (342742833).

Almost surely, 2^2158010345 is an apocalyptic number.

It is an amenable number.

2158010345 is a deficient number, since it is larger than the sum of its proper divisors (583932319).

2158010345 is a wasteful number, since it uses less digits than its factorization.

2158010345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25388379.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 2158010345 is about 46454.3899432551. The cubic root of 2158010345 is about 1292.2637863707.

Adding to 2158010345 its reverse (5430108512), we get a palindrome (7588118857).

The spelling of 2158010345 in words is "two billion, one hundred fifty-eight million, ten thousand, three hundred forty-five".