1241463145 has 8 divisors (see below), whose sum is σ = 1604352456. Its totient is φ = 916772736.

The previous prime is 1241463127. The next prime is 1241463161. The reversal of 1241463145 is 5413641421.

It can be written as a sum of positive squares in 4 ways, for example, as 15342889 + 1226120256 = 3917^2 + 35016^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1241463145 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 9549652 + ... + 9549781.

It is an arithmetic number, because the mean of its divisors is an integer number (200544057).

Almost surely, 2^1241463145 is an apocalyptic number.

It is an amenable number.

1241463145 is a deficient number, since it is larger than the sum of its proper divisors (362889311).

1241463145 is a wasteful number, since it uses less digits than its factorization.

1241463145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19099451.

The product of its digits is 11520, while the sum is 31.

The square root of 1241463145 is about 35234.4028614081. The cubic root of 1241463145 is about 1074.7594615957.

The spelling of 1241463145 in words is "one billion, two hundred forty-one million, four hundred sixty-three thousand, one hundred forty-five".