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152159 = 721737
BaseRepresentation
bin100101001001011111
321201201112
4211021133
514332114
63132235
71202420
oct451137
9251645
10152159
11a4357
127407b
1354347
143d647
153013e
hex2525f

152159 has 4 divisors (see below), whose sum is σ = 173904. Its totient is φ = 130416.

The previous prime is 152147. The next prime is 152183. The reversal of 152159 is 951251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951251 = 7135893.

It is a cyclic number.

It is not a de Polignac number, because 152159 - 28 = 151903 is a prime.

It is a super-2 number, since 2×1521592 = 46304722562, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152189) 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, 10862 + ... + 10875.

It is an arithmetic number, because the mean of its divisors is an integer number (43476).

2152159 is an apocalyptic number.

152159 is a deficient number, since it is larger than the sum of its proper divisors (21745).

152159 is an equidigital number, since it uses as much as digits as its factorization.

152159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21744.

The product of its digits is 450, while the sum is 23.

The square root of 152159 is about 390.0756336917. The cubic root of 152159 is about 53.3866350801.

It can be divided in two parts, 15 and 2159, that multiplied together give a triangular number (32385 = T254).

The spelling of 152159 in words is "one hundred fifty-two thousand, one hundred fifty-nine".

Divisors: 1 7 21737 152159