100045263 has 8 divisors (see below), whose sum is σ = 133486000. Its totient is φ = 66650688.

The previous prime is 100045261. The next prime is 100045313. The reversal of 100045263 is 362540001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100045263 - 2¹ = 100045261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100045261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6118 + ... + 15411.

It is an arithmetic number, because the mean of its divisors is an integer number (16685750).

Almost surely, 2^100045263 is an apocalyptic number.

100045263 is a deficient number, since it is larger than the sum of its proper divisors (33440737).

100045263 is a wasteful number, since it uses less digits than its factorization.

100045263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23081.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 100045263 is about 10002.2628939655. The cubic root of 100045263 is about 464.2289035431.

Adding to 100045263 its reverse (362540001), we get a palindrome (462585264).

The spelling of 100045263 in words is "one hundred million, forty-five thousand, two hundred sixty-three".