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148141 = 721163
BaseRepresentation
bin100100001010101101
321112012201
4210022231
514220031
63101501
71154620
oct441255
9245181
10148141
11a1334
1271891
1352576
143bdb7
152dd61
hex242ad

148141 has 4 divisors (see below), whose sum is σ = 169312. Its totient is φ = 126972.

The previous prime is 148139. The next prime is 148147. The reversal of 148141 is 141841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 148141 - 21 = 148139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148147) 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, 10575 + ... + 10588.

It is an arithmetic number, because the mean of its divisors is an integer number (42328).

2148141 is an apocalyptic number.

It is an amenable number.

148141 is a deficient number, since it is larger than the sum of its proper divisors (21171).

148141 is an equidigital number, since it uses as much as digits as its factorization.

148141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21170.

The product of its digits is 128, while the sum is 19.

The square root of 148141 is about 384.8908936309. The cubic root of 148141 is about 52.9125173619.

Adding to 148141 its reverse (141841), we get a palindrome (289982).

It can be divided in two parts, 148 and 141, that added together give a square (289 = 172).

The spelling of 148141 in words is "one hundred forty-eight thousand, one hundred forty-one".

Divisors: 1 7 21163 148141