1146534646 has 4 divisors (see below), whose sum is σ = 1719801972. Its totient is φ = 573267322.

The previous prime is 1146534643. The next prime is 1146534661. The reversal of 1146534646 is 6464356411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6464356411 = 31379 ⋅206009.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1146534599 and 1146534608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146534643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286633660 + ... + 286633663.

It is an arithmetic number, because the mean of its divisors is an integer number (429950493).

Almost surely, 2^1146534646 is an apocalyptic number.

1146534646 is a deficient number, since it is larger than the sum of its proper divisors (573267326).

1146534646 is an equidigital number, since it uses as much as digits as its factorization.

1146534646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573267325.

The product of its digits is 207360, while the sum is 40.

The square root of 1146534646 is about 33860.5175093353. The cubic root of 1146534646 is about 1046.6361421357.

The spelling of 1146534646 in words is "one billion, one hundred forty-six million, five hundred thirty-four thousand, six hundred forty-six".