2015450141 has 4 divisors (see below), whose sum is σ = 2103078432. Its totient is φ = 1927821852.

The previous prime is 2015450111. The next prime is 2015450153. The reversal of 2015450141 is 1410545102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1410545102 = 2 ⋅705272551.

It is a cyclic number.

It is not a de Polignac number, because 2015450141 - 2²⁶ = 1948341277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 87628267 = 2015450141 / (2 + 0 + 1 + 5 + 4 + 5 + 0 + 1 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015450111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43814111 + ... + 43814156.

It is an arithmetic number, because the mean of its divisors is an integer number (525769608).

Almost surely, 2^2015450141 is an apocalyptic number.

It is an amenable number.

2015450141 is a deficient number, since it is larger than the sum of its proper divisors (87628291).

2015450141 is an equidigital number, since it uses as much as digits as its factorization.

2015450141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87628290.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2015450141 is about 44893.7650570767. The cubic root of 2015450141 is about 1263.1570576602.

Adding to 2015450141 its reverse (1410545102), we get a palindrome (3425995243).

The spelling of 2015450141 in words is "two billion, fifteen million, four hundred fifty thousand, one hundred forty-one".