100484155 has 4 divisors (see below), whose sum is σ = 120580992. Its totient is φ = 80387320.

The previous prime is 100484149. The next prime is 100484177. The reversal of 100484155 is 551484001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 551484001 = 37 ⋅14904973.

It is not a de Polignac number, because 100484155 - 2¹⁵ = 100451387 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10048411 + ... + 10048420.

It is an arithmetic number, because the mean of its divisors is an integer number (30145248).

Almost surely, 2^100484155 is an apocalyptic number.

100484155 is a deficient number, since it is larger than the sum of its proper divisors (20096837).

100484155 is an equidigital number, since it uses as much as digits as its factorization.

100484155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20096836.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 100484155 is about 10024.1785199586. The cubic root of 100484155 is about 464.9067605091.

It can be divided in two parts, 1004841 and 55, that multiplied together give a palindrome (55266255).

The spelling of 100484155 in words is "one hundred million, four hundred eighty-four thousand, one hundred fifty-five".