1146331845 has 192 divisors, whose sum is σ = 2415329280. Its totient is φ = 517321728.

The previous prime is 1146331829. The next prime is 1146331873. The reversal of 1146331845 is 5481336411.

1146331845 is a `hidden beast` number, since 1 + 1 + 4 + 633 + 18 + 4 + 5 = 666.

It is not a de Polignac number, because 1146331845 - 2⁴ = 1146331829 is a prime.

It is a super-2 number, since 2×1146331845² = 2628153397722208050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 9026172 + ... + 9026298.

It is an arithmetic number, because the mean of its divisors is an integer number (12579840).

Almost surely, 2^1146331845 is an apocalyptic number.

1146331845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1146331845 is an abundant number, since it is smaller than the sum of its proper divisors (1268997435).

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

1146331845 is a wasteful number, since it uses less digits than its factorization.

1146331845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 194 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 1146331845 is about 33857.5227239088. The cubic root of 1146331845 is about 1046.5744282360.

The spelling of 1146331845 in words is "one billion, one hundred forty-six million, three hundred thirty-one thousand, eight hundred forty-five".