1146749441 has 4 divisors (see below), whose sum is σ = 1146850752. Its totient is φ = 1146648132.

The previous prime is 1146749437. The next prime is 1146749477. The reversal of 1146749441 is 1449476411.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1146749441 - 2² = 1146749437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1146749041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31181 + ... + 57146.

It is an arithmetic number, because the mean of its divisors is an integer number (286712688).

Almost surely, 2^1146749441 is an apocalyptic number.

It is an amenable number.

1146749441 is a deficient number, since it is larger than the sum of its proper divisors (101311).

1146749441 is an equidigital number, since it uses as much as digits as its factorization.

1146749441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101310.

The product of its digits is 96768, while the sum is 41.

The square root of 1146749441 is about 33863.6891227167. The cubic root of 1146749441 is about 1046.7014979664.

The spelling of 1146749441 in words is "one billion, one hundred forty-six million, seven hundred forty-nine thousand, four hundred forty-one".