100545263 has 32 divisors (see below), whose sum is σ = 128325120. Its totient is φ = 76671360.

The previous prime is 100545257. The next prime is 100545271. The reversal of 100545263 is 362545001.

It is a cyclic number.

It is not a de Polignac number, because 100545263 - 2²² = 96350959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100545763) 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 31 ways as a sum of consecutive naturals, for example, 327356 + ... + 327662.

It is an arithmetic number, because the mean of its divisors is an integer number (4010160).

Almost surely, 2^100545263 is an apocalyptic number.

100545263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100545263 is a deficient number, since it is larger than the sum of its proper divisors (27779857).

100545263 is a wasteful number, since it uses less digits than its factorization.

100545263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 100545263 is about 10027.2260870093. The cubic root of 100545263 is about 465.0009835413. Note that the first 3 decimals are identical.

The spelling of 100545263 in words is "one hundred million, five hundred forty-five thousand, two hundred sixty-three".