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158148 = 223223191
BaseRepresentation
bin100110100111000100
322000221100
4212213010
520030043
63220100
71226034
oct464704
9260840
10158148
11a8901
1277630
1356ca3
14418c4
1531cd3
hex269c4

158148 has 36 divisors (see below), whose sum is σ = 419328. Its totient is φ = 50160.

The previous prime is 158143. The next prime is 158161. The reversal of 158148 is 841851.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nialpdrome in base 12.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (158141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 733 + ... + 923.

It is an arithmetic number, because the mean of its divisors is an integer number (11648).

2158148 is an apocalyptic number.

158148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209664).

158148 is an abundant number, since it is smaller than the sum of its proper divisors (261180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158148 is a wasteful number, since it uses less digits than its factorization.

158148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 219 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 158148 is about 397.6782619153. The cubic root of 158148 is about 54.0780763586.

Adding to 158148 its reverse (841851), we get a palindrome (999999).

The spelling of 158148 in words is "one hundred fifty-eight thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 138 191 207 276 382 414 573 764 828 1146 1719 2292 3438 4393 6876 8786 13179 17572 26358 39537 52716 79074 158148