2141145305 has 8 divisors (see below), whose sum is σ = 2767018632. Its totient is φ = 1581153408.

The previous prime is 2141145299. The next prime is 2141145329. The reversal of 2141145305 is 5035411412.

It can be written as a sum of positive squares in 4 ways, for example, as 136702864 + 2004442441 = 11692^2 + 44771^2 .

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 2141145305 - 2⁶ = 2141145241 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, 16470284 + ... + 16470413.

It is an arithmetic number, because the mean of its divisors is an integer number (345877329).

Almost surely, 2^2141145305 is an apocalyptic number.

It is an amenable number.

2141145305 is a deficient number, since it is larger than the sum of its proper divisors (625873327).

2141145305 is a wasteful number, since it uses less digits than its factorization.

2141145305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32940715.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2141145305 is about 46272.5113323234. The cubic root of 2141145305 is about 1288.8885936453. Note that the first 3 decimals are identical.

Adding to 2141145305 its reverse (5035411412), we get a palindrome (7176556717).

The spelling of 2141145305 in words is "two billion, one hundred forty-one million, one hundred forty-five thousand, three hundred five".