1146456480 has 192 divisors, whose sum is σ = 3909306240. Its totient is φ = 280743936.

The previous prime is 1146456461. The next prime is 1146456481. The reversal of 1146456480 is 846546411.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1146456481) 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 31 ways as a sum of consecutive naturals, for example, 1678219 + ... + 1678901.

It is an arithmetic number, because the mean of its divisors is an integer number (20360970).

Almost surely, 2^1146456480 is an apocalyptic number.

1146456480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1146456480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1954653120).

1146456480 is an abundant number, since it is smaller than the sum of its proper divisors (2762849760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1146456480 is a wasteful number, since it uses less digits than its factorization.

1146456480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 1146456480 is about 33859.3632544973. The cubic root of 1146456480 is about 1046.6123564843.

The spelling of 1146456480 in words is "one billion, one hundred forty-six million, four hundred fifty-six thousand, four hundred eighty".