2140415245 has 4 divisors (see below), whose sum is σ = 2568498300. Its totient is φ = 1712332192.

The previous prime is 2140415239. The next prime is 2140415273. The reversal of 2140415245 is 5425140412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 696643236 + 1443772009 = 26394^2 + 37997^2 .

It is a cyclic number.

It is not a de Polignac number, because 2140415245 - 2³ = 2140415237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214041520 + ... + 214041529.

It is an arithmetic number, because the mean of its divisors is an integer number (642124575).

Almost surely, 2^2140415245 is an apocalyptic number.

It is an amenable number.

2140415245 is a deficient number, since it is larger than the sum of its proper divisors (428083055).

2140415245 is an equidigital number, since it uses as much as digits as its factorization.

2140415245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428083054.

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

The square root of 2140415245 is about 46264.6219589007. The cubic root of 2140415245 is about 1288.7420874786.

Adding to 2140415245 its reverse (5425140412), we get a palindrome (7565555657).

The spelling of 2140415245 in words is "two billion, one hundred forty million, four hundred fifteen thousand, two hundred forty-five".