1156882945 has 8 divisors (see below), whose sum is σ = 1400996520. Its totient is φ = 917015040.

The previous prime is 1156882943. The next prime is 1156882973. The reversal of 1156882945 is 5492886511.

It can be written as a sum of positive squares in 4 ways, for example, as 219543489 + 937339456 = 14817^2 + 30616^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1156882945 - 2¹ = 1156882943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1156882943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1060816 + ... + 1061905.

It is an arithmetic number, because the mean of its divisors is an integer number (175124565).

Almost surely, 2^1156882945 is an apocalyptic number.

It is an amenable number.

1156882945 is a deficient number, since it is larger than the sum of its proper divisors (244113575).

1156882945 is a wasteful number, since it uses less digits than its factorization.

1156882945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122835.

The product of its digits is 691200, while the sum is 49.

The square root of 1156882945 is about 34012.9820068750. The cubic root of 1156882945 is about 1049.7755967913.

The spelling of 1156882945 in words is "one billion, one hundred fifty-six million, eight hundred eighty-two thousand, nine hundred forty-five".