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148154 = 274077
BaseRepresentation
bin100100001010111010
321112020012
4210022322
514220104
63101522
71154636
oct441272
9245205
10148154
11a1346
12718a2
1352586
143bdc6
152dd6e
hex242ba

148154 has 4 divisors (see below), whose sum is σ = 222234. Its totient is φ = 74076.

The previous prime is 148153. The next prime is 148157. The reversal of 148154 is 451841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 451841 = 1334757.

It can be written as a sum of positive squares in only one way, i.e., 139129 + 9025 = 373^2 + 95^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 148154.

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 as a sum of consecutive naturals, namely, 37037 + ... + 37040.

2148154 is an apocalyptic number.

148154 is a deficient number, since it is larger than the sum of its proper divisors (74080).

148154 is an equidigital number, since it uses as much as digits as its factorization.

148154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74079.

The product of its digits is 640, while the sum is 23.

The square root of 148154 is about 384.9077811632. The cubic root of 148154 is about 52.9140650825.

Adding to 148154 its reverse (451841), we get a palindrome (599995).

The spelling of 148154 in words is "one hundred forty-eight thousand, one hundred fifty-four".

Divisors: 1 2 74077 148154