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149255 = 529851
BaseRepresentation
bin100100011100000111
321120201222
4210130013
514234010
63110555
71161101
oct443407
9246658
10149255
11a2157
127245b
1352c22
143c571
152e355
hex24707

149255 has 4 divisors (see below), whose sum is σ = 179112. Its totient is φ = 119400.

The previous prime is 149251. The next prime is 149257. The reversal of 149255 is 552941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 552941 = 4331277.

It is not a de Polignac number, because 149255 - 22 = 149251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 149255.

It is not an unprimeable number, because it can be changed into a prime (149251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14921 + ... + 14930.

It is an arithmetic number, because the mean of its divisors is an integer number (44778).

2149255 is an apocalyptic number.

149255 is a deficient number, since it is larger than the sum of its proper divisors (29857).

149255 is an equidigital number, since it uses as much as digits as its factorization.

149255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29856.

The product of its digits is 1800, while the sum is 26.

The square root of 149255 is about 386.3353465579. The cubic root of 149255 is about 53.0448179109.

It can be divided in two parts, 149 and 255, that added together give a palindrome (404).

The spelling of 149255 in words is "one hundred forty-nine thousand, two hundred fifty-five".

Divisors: 1 5 29851 149255