2141540245 has 8 divisors (see below), whose sum is σ = 2767529016. Its totient is φ = 1581445056.

The previous prime is 2141540243. The next prime is 2141540299. The reversal of 2141540245 is 5420451412.

It can be written as a sum of positive squares in 4 ways, for example, as 118069956 + 2023470289 = 10866^2 + 44983^2 .

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 2141540245 - 2¹ = 2141540243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141540243) 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, 16473322 + ... + 16473451.

It is an arithmetic number, because the mean of its divisors is an integer number (345941127).

Almost surely, 2^2141540245 is an apocalyptic number.

It is an amenable number.

2141540245 is a deficient number, since it is larger than the sum of its proper divisors (625988771).

2141540245 is a wasteful number, since it uses less digits than its factorization.

2141540245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32946791.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 2141540245 is about 46276.7786800248. The cubic root of 2141540245 is about 1288.9678350939.

Adding to 2141540245 its reverse (5420451412), we get a palindrome (7561991657).

The spelling of 2141540245 in words is "two billion, one hundred forty-one million, five hundred forty thousand, two hundred forty-five".