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144328966 = 272164483
BaseRepresentation
bin10001001101001…
…00100100000110
3101001120200010021
420212210210012
5243422011331
622153245354
73401530105
oct1046444406
9331520107
10144328966
1174519541
124040385a
1323b94872
141525003c
15ca0e211
hex89a4906

144328966 has 4 divisors (see below), whose sum is σ = 216493452. Its totient is φ = 72164482.

The previous prime is 144328939. The next prime is 144328967. The reversal of 144328966 is 669823441.

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: 669823441 = 795689063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144328967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36082240 + ... + 36082243.

It is an arithmetic number, because the mean of its divisors is an integer number (54123363).

Almost surely, 2144328966 is an apocalyptic number.

144328966 is a deficient number, since it is larger than the sum of its proper divisors (72164486).

144328966 is an equidigital number, since it uses as much as digits as its factorization.

144328966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72164485.

The product of its digits is 248832, while the sum is 43.

The square root of 144328966 is about 12013.6990972806. The cubic root of 144328966 is about 524.5471117741.

The spelling of 144328966 in words is "one hundred forty-four million, three hundred twenty-eight thousand, nine hundred sixty-six".

Divisors: 1 2 72164483 144328966