100182381 has 16 divisors (see below), whose sum is σ = 144957120. Its totient is φ = 61176960.

The previous prime is 100182367. The next prime is 100182391. The reversal of 100182381 is 183281001.

It is not a de Polignac number, because 100182381 - 2⁷ = 100182253 is a prime.

It is a super-2 number, since 2×100182381² = 20073018925658322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100182301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4696 + ... + 14913.

It is an arithmetic number, because the mean of its divisors is an integer number (9059820).

Almost surely, 2^100182381 is an apocalyptic number.

It is an amenable number.

100182381 is a deficient number, since it is larger than the sum of its proper divisors (44774739).

100182381 is a wasteful number, since it uses less digits than its factorization.

100182381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19756.

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 100182381 is about 10009.1148959336. The cubic root of 100182381 is about 464.4408911922.

The spelling of 100182381 in words is "one hundred million, one hundred eighty-two thousand, three hundred eighty-one".