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148741 = 2329223
BaseRepresentation
bin100100010100000101
321120000221
4210110011
514224431
63104341
71156435
oct442405
9246027
10148741
11a182a
12720b1
1352918
143c2c5
152e111
hex24505

148741 has 8 divisors (see below), whose sum is σ = 161280. Its totient is φ = 136752.

The previous prime is 148727. The next prime is 148747. The reversal of 148741 is 147841.

Subtracting from 148741 its reverse (147841), we obtain a square (900 = 302).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148741 - 29 = 148229 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 (148747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556 + ... + 778.

It is an arithmetic number, because the mean of its divisors is an integer number (20160).

2148741 is an apocalyptic number.

148741 is the 223-rd octagonal number.

It is an amenable number.

148741 is a deficient number, since it is larger than the sum of its proper divisors (12539).

148741 is a wasteful number, since it uses less digits than its factorization.

148741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275.

The product of its digits is 896, while the sum is 25.

The square root of 148741 is about 385.6695476700. The cubic root of 148741 is about 52.9838564812.

The spelling of 148741 in words is "one hundred forty-eight thousand, seven hundred forty-one".

Divisors: 1 23 29 223 667 5129 6467 148741