100681485 has 16 divisors (see below), whose sum is σ = 161494080. Its totient is φ = 53562240.

The previous prime is 100681439. The next prime is 100681487. The reversal of 100681485 is 584186001.

It is not a de Polignac number, because 100681485 - 2⁶ = 100681421 is a prime.

It is a super-2 number, since 2×100681485² = 20273522843610450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100681487) 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, 2071 + ... + 14340.

It is an arithmetic number, because the mean of its divisors is an integer number (10093380).

Almost surely, 2^100681485 is an apocalyptic number.

100681485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100681485 is a deficient number, since it is larger than the sum of its proper divisors (60812595).

100681485 is a wasteful number, since it uses less digits than its factorization.

100681485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16828.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 100681485 is about 10034.0163942461. The cubic root of 100681485 is about 465.2108882716.

The spelling of 100681485 in words is "one hundred million, six hundred eighty-one thousand, four hundred eighty-five".