1054445165 has 4 divisors (see below), whose sum is σ = 1265334204. Its totient is φ = 843556128.

The previous prime is 1054445099. The next prime is 1054445167. The reversal of 1054445165 is 5615444501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 164198596 + 890246569 = 12814^2 + 29837^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054445165 - 2²⁴ = 1037667949 is a prime.

It is a super-2 number, since 2×1054445165² = 2223709211983754450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054445167) 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 3 ways as a sum of consecutive naturals, for example, 105444512 + ... + 105444521.

It is an arithmetic number, because the mean of its divisors is an integer number (316333551).

Almost surely, 2^1054445165 is an apocalyptic number.

It is an amenable number.

1054445165 is a deficient number, since it is larger than the sum of its proper divisors (210889039).

1054445165 is an equidigital number, since it uses as much as digits as its factorization.

1054445165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210889038.

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 1054445165 is about 32472.2214361753. The cubic root of 1054445165 is about 1017.8286389602.

Adding to 1054445165 its reverse (5615444501), we get a palindrome (6669889666).

The spelling of 1054445165 in words is "one billion, fifty-four million, four hundred forty-five thousand, one hundred sixty-five".