1146384078 has 64 divisors (see below), whose sum is σ = 2739502080. Its totient is φ = 312694272.

The previous prime is 1146384059. The next prime is 1146384139. The reversal of 1146384078 is 8704836411.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 769158 + ... + 770646.

It is an arithmetic number, because the mean of its divisors is an integer number (42804720).

Almost surely, 2^1146384078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1146384078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1369751040).

1146384078 is an abundant number, since it is smaller than the sum of its proper divisors (1593118002).

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

1146384078 is a wasteful number, since it uses less digits than its factorization.

1146384078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 1146384078 is about 33858.2940798854. The cubic root of 1146384078 is about 1046.5903238344.

The spelling of 1146384078 in words is "one billion, one hundred forty-six million, three hundred eighty-four thousand, seventy-eight".