1146208481 has 4 divisors (see below), whose sum is σ = 1250409264. Its totient is φ = 1042007700.

The previous prime is 1146208471. The next prime is 1146208507. The reversal of 1146208481 is 1848026411.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 1146208481 - 2²⁶ = 1079099617 is a prime.

It is a super-2 number, since 2×1146208481² = 2627587763832654722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1146208471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52100375 + ... + 52100396.

It is an arithmetic number, because the mean of its divisors is an integer number (312602316).

Almost surely, 2^1146208481 is an apocalyptic number.

1146208481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1146208481 is a deficient number, since it is larger than the sum of its proper divisors (104200783).

1146208481 is a wasteful number, since it uses less digits than its factorization.

1146208481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104200782.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 1146208481 is about 33855.7008641085. The cubic root of 1146208481 is about 1046.5368840641.

The spelling of 1146208481 in words is "one billion, one hundred forty-six million, two hundred eight thousand, four hundred eighty-one".