1156046445 has 16 divisors (see below), whose sum is σ = 2055193920. Its totient is φ = 616558032.

The previous prime is 1156046429. The next prime is 1156046453. The reversal of 1156046445 is 5446406511.

1156046445 is a `hidden beast` number, since 1 + 1 + 5 + 6 + 0 + 4 + 644 + 5 = 666.

It is not a de Polignac number, because 1156046445 - 2⁴ = 1156046429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4281519 + ... + 4281788.

It is an arithmetic number, because the mean of its divisors is an integer number (128449620).

Almost surely, 2^1156046445 is an apocalyptic number.

1156046445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1156046445 is a deficient number, since it is larger than the sum of its proper divisors (899147475).

1156046445 is an equidigital number, since it uses as much as digits as its factorization.

1156046445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8563321 (or 8563315 counting only the distinct ones).

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

The square root of 1156046445 is about 34000.6830078456. The cubic root of 1156046445 is about 1049.5225175940.

The spelling of 1156046445 in words is "one billion, one hundred fifty-six million, forty-six thousand, four hundred forty-five".