2015342543 has 8 divisors (see below), whose sum is σ = 2055535056. Its totient is φ = 1975230400.

The previous prime is 2015342479. The next prime is 2015342573. The reversal of 2015342543 is 3452435102.

It is a happy number.

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 2015342543 - 2⁶ = 2015342479 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 (2015342573) 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, 31883 + ... + 71043.

It is an arithmetic number, because the mean of its divisors is an integer number (256941882).

Almost surely, 2^2015342543 is an apocalyptic number.

2015342543 is a deficient number, since it is larger than the sum of its proper divisors (40192513).

2015342543 is an equidigital number, since it uses as much as digits as its factorization.

2015342543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40185.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2015342543 is about 44892.5666786830. The cubic root of 2015342543 is about 1263.1345787131.

Adding to 2015342543 its reverse (3452435102), we get a palindrome (5467777645).

The spelling of 2015342543 in words is "two billion, fifteen million, three hundred forty-two thousand, five hundred forty-three".