1146055644 has 36 divisors (see below), whose sum is σ = 2898002016. Its totient is φ = 381883008.

The previous prime is 1146055637. The next prime is 1146055667. The reversal of 1146055644 is 4465506411.

1146055644 is a `hidden beast` number, since 1 + 1 + 4 + 6 + 0 + 5 + 5 + 644 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×1146055644³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1146055599 and 1146055608.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 191197 + ... + 197099.

It is an arithmetic number, because the mean of its divisors is an integer number (80500056).

Almost surely, 2^1146055644 is an apocalyptic number.

It is an amenable number.

1146055644 is an abundant number, since it is smaller than the sum of its proper divisors (1751946372).

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

1146055644 is a wasteful number, since it uses less digits than its factorization.

1146055644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11306 (or 11301 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 1146055644 is about 33853.4436062271. The cubic root of 1146055644 is about 1046.4903664453.

The spelling of 1146055644 in words is "one billion, one hundred forty-six million, fifty-five thousand, six hundred forty-four".