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144202033 = 1361105953
BaseRepresentation
bin10001001100001…
…01100100110001
3101001100020000001
420212011210301
5243403431113
622150430001
73400461043
oct1046054461
9331306001
10144202033
1174442138
1240362301
1323b4bb61
1415219a93
15c9d67dd
hex8985931

144202033 has 4 divisors (see below), whose sum is σ = 144309348. Its totient is φ = 144094720.

The previous prime is 144202021. The next prime is 144202067. The reversal of 144202033 is 330202441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11675889 + 132526144 = 3417^2 + 11512^2 .

It is a cyclic number.

It is not a de Polignac number, because 144202033 - 225 = 110647601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144202033.

It is not an unprimeable number, because it can be changed into a prime (144200033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51616 + ... + 54337.

It is an arithmetic number, because the mean of its divisors is an integer number (36077337).

Almost surely, 2144202033 is an apocalyptic number.

It is an amenable number.

144202033 is a deficient number, since it is larger than the sum of its proper divisors (107315).

144202033 is a wasteful number, since it uses less digits than its factorization.

144202033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107314.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 144202033 is about 12008.4150910934. The cubic root of 144202033 is about 524.3932921841.

Adding to 144202033 its reverse (330202441), we get a palindrome (474404474).

The spelling of 144202033 in words is "one hundred forty-four million, two hundred two thousand, thirty-three".

Divisors: 1 1361 105953 144202033