2142015305 has 8 divisors (see below), whose sum is σ = 2612556744. Its totient is φ = 1685520000.

The previous prime is 2142015301. The next prime is 2142015311. The reversal of 2142015305 is 5035102412.

It can be written as a sum of positive squares in 4 ways, for example, as 50965321 + 2091049984 = 7139^2 + 45728^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2142015305 - 2² = 2142015301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142015301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3511196 + ... + 3511805.

It is an arithmetic number, because the mean of its divisors is an integer number (326569593).

Almost surely, 2^2142015305 is an apocalyptic number.

It is an amenable number.

2142015305 is a deficient number, since it is larger than the sum of its proper divisors (470541439).

2142015305 is an equidigital number, since it uses as much as digits as its factorization.

2142015305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7023067.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2142015305 is about 46281.9112072957. The cubic root of 2142015305 is about 1289.0631390523.

Adding to 2142015305 its reverse (5035102412), we get a palindrome (7177117717).

The spelling of 2142015305 in words is "two billion, one hundred forty-two million, fifteen thousand, three hundred five".