1441143515 has 16 divisors (see below), whose sum is σ = 1977296832. Its totient is φ = 987777024.

The previous prime is 1441143503. The next prime is 1441143541. The reversal of 1441143515 is 5153411441.

It is a cyclic number.

It is not a de Polignac number, because 1441143515 - 2¹⁸ = 1440881371 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85247 + ... + 100743.

It is an arithmetic number, because the mean of its divisors is an integer number (123581052).

Almost surely, 2^1441143515 is an apocalyptic number.

1441143515 is a deficient number, since it is larger than the sum of its proper divisors (536153317).

1441143515 is a wasteful number, since it uses less digits than its factorization.

1441143515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18166.

The product of its digits is 4800, while the sum is 29.

The square root of 1441143515 is about 37962.3960650536. The cubic root of 1441143515 is about 1129.5420691285.

Adding to 1441143515 its reverse (5153411441), we get a palindrome (6594554956).

The spelling of 1441143515 in words is "one billion, four hundred forty-one million, one hundred forty-three thousand, five hundred fifteen".