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144410213 = 532724721
BaseRepresentation
bin10001001101110…
…00011001100101
3101001201210120102
420212320121211
5243432111323
622155113445
73402316013
oct1046703145
9331653512
10144410213
1174574592
1240442885
1323bc283c
14152718b3
15ca28328
hex89b8665

144410213 has 4 divisors (see below), whose sum is σ = 147134988. Its totient is φ = 141685440.

The previous prime is 144410197. The next prime is 144410239. The reversal of 144410213 is 312014441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312014441 = 937332993.

It can be written as a sum of positive squares in 2 ways, for example, as 83210884 + 61199329 = 9122^2 + 7823^2 .

It is a cyclic number.

It is not a de Polignac number, because 144410213 - 24 = 144410197 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 (144410113) 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, 1362308 + ... + 1362413.

It is an arithmetic number, because the mean of its divisors is an integer number (36783747).

Almost surely, 2144410213 is an apocalyptic number.

It is an amenable number.

144410213 is a deficient number, since it is larger than the sum of its proper divisors (2724775).

144410213 is an equidigital number, since it uses as much as digits as its factorization.

144410213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724774.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 144410213 is about 12017.0800529912. The cubic root of 144410213 is about 524.6455209521.

Adding to 144410213 its reverse (312014441), we get a palindrome (456424654).

The spelling of 144410213 in words is "one hundred forty-four million, four hundred ten thousand, two hundred thirteen".

Divisors: 1 53 2724721 144410213