1156543614 has 12 divisors (see below), whose sum is σ = 2505844536. Its totient is φ = 385514532.

The previous prime is 1156543613. The next prime is 1156543651. The reversal of 1156543614 is 4163456511.

1156543614 is a `hidden beast` number, since 1 + 1 + 56 + 543 + 61 + 4 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156543613) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 32126194 + ... + 32126229.

It is an arithmetic number, because the mean of its divisors is an integer number (208820378).

Almost surely, 2^1156543614 is an apocalyptic number.

1156543614 is an abundant number, since it is smaller than the sum of its proper divisors (1349300922).

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

1156543614 is a wasteful number, since it uses less digits than its factorization.

1156543614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64252431 (or 64252428 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 1156543614 is about 34007.9933839090. The cubic root of 1156543614 is about 1049.6729484815.

The spelling of 1156543614 in words is "one billion, one hundred fifty-six million, five hundred forty-three thousand, six hundred fourteen".