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148159 = 1113469
BaseRepresentation
bin100100001010111111
321112020101
4210022333
514220114
63101531
71154644
oct441277
9245211
10148159
11a1350
12718a7
135258b
143bdcb
152dd74
hex242bf

148159 has 4 divisors (see below), whose sum is σ = 161640. Its totient is φ = 134680.

The previous prime is 148157. The next prime is 148171. The reversal of 148159 is 951841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951841 = 1186531.

It is a cyclic number.

It is not a de Polignac number, because 148159 - 21 = 148157 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 (148151) 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, 6724 + ... + 6745.

It is an arithmetic number, because the mean of its divisors is an integer number (40410).

2148159 is an apocalyptic number.

148159 is a deficient number, since it is larger than the sum of its proper divisors (13481).

148159 is a wasteful number, since it uses less digits than its factorization.

148159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13480.

The product of its digits is 1440, while the sum is 28.

The square root of 148159 is about 384.9142761707. The cubic root of 148159 is about 52.9146603355.

It can be divided in two parts, 1481 and 59, that added together give a triangular number (1540 = T55).

The spelling of 148159 in words is "one hundred forty-eight thousand, one hundred fifty-nine".

Divisors: 1 11 13469 148159