1105052145 has 16 divisors (see below), whose sum is σ = 1768504320. Its totient is φ = 589220864.

The previous prime is 1105052107. The next prime is 1105052147. The reversal of 1105052145 is 5412505011.

It is a cyclic number.

It is not a de Polignac number, because 1105052145 - 2⁷ = 1105052017 is a prime.

It is a super-2 number, since 2×1105052145² = 2442280486338202050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1105052147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99376 + ... + 109934.

It is an arithmetic number, because the mean of its divisors is an integer number (110531520).

Almost surely, 2^1105052145 is an apocalyptic number.

1105052145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1105052145 is a deficient number, since it is larger than the sum of its proper divisors (663452175).

1105052145 is a wasteful number, since it uses less digits than its factorization.

1105052145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17544.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 1105052145 is about 33242.3246028313. The cubic root of 1105052145 is about 1033.8580745060.

Adding to 1105052145 its reverse (5412505011), we get a palindrome (6517557156).

The spelling of 1105052145 in words is "one billion, one hundred five million, fifty-two thousand, one hundred forty-five".