1146448678 has 4 divisors (see below), whose sum is σ = 1719673020. Its totient is φ = 573224338.

The previous prime is 1146448673. The next prime is 1146448717. The reversal of 1146448678 is 8768446411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8768446411 = 229 ⋅38290159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146448673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286612168 + ... + 286612171.

It is an arithmetic number, because the mean of its divisors is an integer number (429918255).

Almost surely, 2^1146448678 is an apocalyptic number.

1146448678 is a deficient number, since it is larger than the sum of its proper divisors (573224342).

1146448678 is an equidigital number, since it uses as much as digits as its factorization.

1146448678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573224341.

The product of its digits is 1032192, while the sum is 49.

The square root of 1146448678 is about 33859.2480424477. The cubic root of 1146448678 is about 1046.6099823026.

The spelling of 1146448678 in words is "one billion, one hundred forty-six million, four hundred forty-eight thousand, six hundred seventy-eight".