100475 has 6 divisors (see below), whose sum is σ = 124620. Its totient is φ = 80360.

The previous prime is 100469. The next prime is 100483. The reversal of 100475 is 574001.

100475 = T₁₈₀ + T₁₈₁ + ... + T₁₈₅.

It is a happy number.

It is not a de Polignac number, because 100475 - 2⁴ = 100459 is a prime.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1985 + ... + 2034.

It is an arithmetic number, because the mean of its divisors is an integer number (20770).

2¹⁰⁰⁴⁷⁵ is an apocalyptic number.

100475 is a deficient number, since it is larger than the sum of its proper divisors (24145).

100475 is an equidigital number, since it uses as much as digits as its factorization.

100475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029 (or 4024 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 100475 is about 316.9779172119. The cubic root of 100475 is about 46.4892641034.

Adding to 100475 its reverse (574001), we get a palindrome (674476).

It can be divided in two parts, 100 and 475, that added together give a palindrome (575).

The spelling of 100475 in words is "one hundred thousand, four hundred seventy-five".