100155441 has 16 divisors (see below), whose sum is σ = 140961600. Its totient is φ = 63079488.

The previous prime is 100155439. The next prime is 100155443. The reversal of 100155441 is 144551001.

It is an interprime number because it is at equal distance from previous prime (100155439) and next prime (100155443).

It is not a de Polignac number, because 100155441 - 2¹ = 100155439 is a prime.

It is a super-2 number, since 2×100155441² = 20062224723808962, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100155443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19915 + ... + 24431.

It is an arithmetic number, because the mean of its divisors is an integer number (8810100).

Almost surely, 2^100155441 is an apocalyptic number.

It is an amenable number.

100155441 is a deficient number, since it is larger than the sum of its proper divisors (40806159).

100155441 is a wasteful number, since it uses less digits than its factorization.

100155441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4928.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 100155441 is about 10007.7690321070. The cubic root of 100155441 is about 464.3992565947.

The spelling of 100155441 in words is "one hundred million, one hundred fifty-five thousand, four hundred forty-one".