1164543445 has 16 divisors (see below), whose sum is σ = 1513662192. Its totient is φ = 854991360.

The previous prime is 1164543403. The next prime is 1164543463. The reversal of 1164543445 is 5443454611.

It can be written as a sum of positive squares in 8 ways, for example, as 91718929 + 1072824516 = 9577^2 + 32754^2 .

It is not a de Polignac number, because 1164543445 - 2⁹ = 1164542933 is a prime.

It is a super-2 number, since 2×1164543445² = 2712322870584936050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40536 + ... + 63025.

It is an arithmetic number, because the mean of its divisors is an integer number (94603887).

Almost surely, 2^1164543445 is an apocalyptic number.

It is an amenable number.

1164543445 is a deficient number, since it is larger than the sum of its proper divisors (349118747).

1164543445 is a wasteful number, since it uses less digits than its factorization.

1164543445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103752.

The product of its digits is 115200, while the sum is 37.

The square root of 1164543445 is about 34125.4076166132. The cubic root of 1164543445 is about 1052.0875912577.

The spelling of 1164543445 in words is "one billion, one hundred sixty-four million, five hundred forty-three thousand, four hundred forty-five".