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148155 = 3571783
BaseRepresentation
bin100100001010111011
321112020020
4210022323
514220110
63101523
71154640
oct441273
9245206
10148155
11a1347
12718a3
1352587
143bdc7
152dd70
hex242bb

148155 has 32 divisors (see below), whose sum is σ = 290304. Its totient is φ = 62976.

The previous prime is 148153. The next prime is 148157. The reversal of 148155 is 551841.

148155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (148153) and next prime (148157).

It is not a de Polignac number, because 148155 - 21 = 148153 is a prime.

148155 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1744 + ... + 1826.

It is an arithmetic number, because the mean of its divisors is an integer number (9072).

2148155 is an apocalyptic number.

148155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

148155 is a deficient number, since it is larger than the sum of its proper divisors (142149).

148155 is a wasteful number, since it uses less digits than its factorization.

148155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115.

The product of its digits is 800, while the sum is 24.

The square root of 148155 is about 384.9090801735. The cubic root of 148155 is about 52.9141841341.

Adding to 148155 its reverse (551841), we get a palindrome (699996).

It can be divided in two parts, 148 and 155, that added together give a palindrome (303).

The spelling of 148155 in words is "one hundred forty-eight thousand, one hundred fifty-five".

Divisors: 1 3 5 7 15 17 21 35 51 83 85 105 119 249 255 357 415 581 595 1245 1411 1743 1785 2905 4233 7055 8715 9877 21165 29631 49385 148155