1148621446 has 12 divisors (see below), whose sum is σ = 2004227388. Its totient is φ = 492266292.

The previous prime is 1148621443. The next prime is 1148621483. The reversal of 1148621446 is 6441268411.

It is a super-2 number, since 2×1148621446² = 2638662452422261832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148621443) 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 5 ways as a sum of consecutive naturals, for example, 5860216 + ... + 5860411.

It is an arithmetic number, because the mean of its divisors is an integer number (167018949).

Almost surely, 2^1148621446 is an apocalyptic number.

1148621446 is a deficient number, since it is larger than the sum of its proper divisors (855605942).

1148621446 is a wasteful number, since it uses less digits than its factorization.

1148621446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11720643 (or 11720636 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 1148621446 is about 33891.3181508185. The cubic root of 1148621446 is about 1047.2707490782.

Adding to 1148621446 its reverse (6441268411), we get a palindrome (7589889857).

The spelling of 1148621446 in words is "one billion, one hundred forty-eight million, six hundred twenty-one thousand, four hundred forty-six".