1146455641 has 4 divisors (see below), whose sum is σ = 1147422672. Its totient is φ = 1145488612.

The previous prime is 1146455627. The next prime is 1146455647. The reversal of 1146455641 is 1465546411.

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 1146455641 - 2²¹ = 1144358489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1146455641.

It is not an unprimeable number, because it can be changed into a prime (1146455647) 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 3 ways as a sum of consecutive naturals, for example, 481735 + ... + 484108.

It is an arithmetic number, because the mean of its divisors is an integer number (286855668).

Almost surely, 2^1146455641 is an apocalyptic number.

It is an amenable number.

1146455641 is a deficient number, since it is larger than the sum of its proper divisors (967031).

1146455641 is an equidigital number, since it uses as much as digits as its factorization.

1146455641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967030.

The product of its digits is 57600, while the sum is 37.

The square root of 1146455641 is about 33859.3508650122. The cubic root of 1146455641 is about 1046.6121011736.

The spelling of 1146455641 in words is "one billion, one hundred forty-six million, four hundred fifty-five thousand, six hundred forty-one".