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140855 = 51113197
BaseRepresentation
bin100010011000110111
321011012212
4202120313
514001410
63004035
71124441
oct423067
9234185
10140855
1196910
126961b
134c160
1439491
152bb05
hex22637

140855 has 16 divisors (see below), whose sum is σ = 199584. Its totient is φ = 94080.

The previous prime is 140839. The next prime is 140863. The reversal of 140855 is 558041.

Added to its reverse (558041) it gives a square (698896 = 8362).

140855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140855 - 24 = 140839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617 + ... + 813.

It is an arithmetic number, because the mean of its divisors is an integer number (12474).

2140855 is an apocalyptic number.

140855 is a deficient number, since it is larger than the sum of its proper divisors (58729).

140855 is a wasteful number, since it uses less digits than its factorization.

140855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 140855 is about 375.3065413765. The cubic root of 140855 is about 52.0304309060.

Adding to 140855 its reverse (558041), we get a palindrome (698896).

The spelling of 140855 in words is "one hundred forty thousand, eight hundred fifty-five".

Divisors: 1 5 11 13 55 65 143 197 715 985 2167 2561 10835 12805 28171 140855