100155471 has 16 divisors (see below), whose sum is σ = 147159936. Its totient is φ = 60199776.

The previous prime is 100155469. The next prime is 100155487. The reversal of 100155471 is 174551001.

It is not a de Polignac number, because 100155471 - 2¹ = 100155469 is a prime.

It is a super-3 number, since 3×100155471³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100155071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28185 + ... + 31538.

It is an arithmetic number, because the mean of its divisors is an integer number (9197496).

Almost surely, 2^100155471 is an apocalyptic number.

100155471 is a deficient number, since it is larger than the sum of its proper divisors (47004465).

100155471 is a wasteful number, since it uses less digits than its factorization.

100155471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59782.

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 100155471 is about 10007.7705309424. The cubic root of 100155471 is about 464.3993029626.

The spelling of 100155471 in words is "one hundred million, one hundred fifty-five thousand, four hundred seventy-one".