101449855 has 24 divisors (see below), whose sum is σ = 132682320. Its totient is φ = 74430720.

The previous prime is 101449837. The next prime is 101449889. The reversal of 101449855 is 558944101.

It is not a de Polignac number, because 101449855 - 2⁵ = 101449823 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

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, 178011 + ... + 178579.

It is an arithmetic number, because the mean of its divisors is an integer number (5528430).

Almost surely, 2^101449855 is an apocalyptic number.

101449855 is a deficient number, since it is larger than the sum of its proper divisors (31232465).

101449855 is a wasteful number, since it uses less digits than its factorization.

101449855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811 (or 798 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 101449855 is about 10072.2318777915. The cubic root of 101449855 is about 466.3913390092.

The spelling of 101449855 in words is "one hundred one million, four hundred forty-nine thousand, eight hundred fifty-five".