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144325135 = 528865027
BaseRepresentation
bin10001001101000…
…11101000001111
3101001120110212101
420212203220033
5243421401020
622153215531
73401512663
oct1046435017
9331513771
10144325135
1174516679
12404015a7
1323b92bb6
141524c8a3
15ca0d00a
hex89a3a0f

144325135 has 4 divisors (see below), whose sum is σ = 173190168. Its totient is φ = 115460104.

The previous prime is 144325133. The next prime is 144325147. The reversal of 144325135 is 531523441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 531523441 = 3311605811.

It is a cyclic number.

It is not a de Polignac number, because 144325135 - 21 = 144325133 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 (144325133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14432509 + ... + 14432518.

It is an arithmetic number, because the mean of its divisors is an integer number (43297542).

Almost surely, 2144325135 is an apocalyptic number.

144325135 is a deficient number, since it is larger than the sum of its proper divisors (28865033).

144325135 is an equidigital number, since it uses as much as digits as its factorization.

144325135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28865032.

The product of its digits is 7200, while the sum is 28.

The square root of 144325135 is about 12013.5396532413. The cubic root of 144325135 is about 524.5424706226.

Adding to 144325135 its reverse (531523441), we get a palindrome (675848576).

The spelling of 144325135 in words is "one hundred forty-four million, three hundred twenty-five thousand, one hundred thirty-five".

Divisors: 1 5 28865027 144325135