100155653 has 24 divisors (see below), whose sum is σ = 116686656. Its totient is φ = 85612800.

The previous prime is 100155623. The next prime is 100155659. The reversal of 100155653 is 356551001.

It is not a de Polignac number, because 100155653 - 2¹⁶ = 100090117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100155659) 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 23 ways as a sum of consecutive naturals, for example, 203738 + ... + 204228.

It is an arithmetic number, because the mean of its divisors is an integer number (4861944).

Almost surely, 2^100155653 is an apocalyptic number.

100155653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

100155653 is a deficient number, since it is larger than the sum of its proper divisors (16531003).

100155653 is a wasteful number, since it uses less digits than its factorization.

100155653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 100155653 is about 10007.7796238726. The cubic root of 100155653 is about 464.3995842606.

The spelling of 100155653 in words is "one hundred million, one hundred fifty-five thousand, six hundred fifty-three".