1100534145 has 32 divisors (see below), whose sum is σ = 1775105280. Its totient is φ = 582224640.

The previous prime is 1100534143. The next prime is 1100534167. The reversal of 1100534145 is 5414350011.

1100534145 = 145² + 146² + ... + 1489².

It is a happy number.

It is not a de Polignac number, because 1100534145 - 2¹ = 1100534143 is a prime.

It is a super-2 number, since 2×1100534145² = 2422350808621762050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1100534143) 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 31 ways as a sum of consecutive naturals, for example, 1254447 + ... + 1255323.

It is an arithmetic number, because the mean of its divisors is an integer number (55472040).

Almost surely, 2^1100534145 is an apocalyptic number.

1100534145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1100534145 is a deficient number, since it is larger than the sum of its proper divisors (674571135).

1100534145 is a wasteful number, since it uses less digits than its factorization.

1100534145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1100534145 is about 33174.2994650980. The cubic root of 1100534145 is about 1032.4471754678.

Adding to 1100534145 its reverse (5414350011), we get a palindrome (6514884156).

It can be divided in two parts, 11005 and 34145, that added together give a triangular number (45150 = T₃₀₀).

The spelling of 1100534145 in words is "one billion, one hundred million, five hundred thirty-four thousand, one hundred forty-five".