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144553033 = 627723029
BaseRepresentation
bin10001001110110…
…11010001001001
3101002000001111001
420213123101021
5244001144113
622202135001
73403452262
oct1047332111
9332001431
10144553033
1174661919
12404b1461
1323c42851
14152ab969
15ca557dd
hex89db449

144553033 has 4 divisors (see below), whose sum is σ = 144582340. Its totient is φ = 144523728.

The previous prime is 144553027. The next prime is 144553069. The reversal of 144553033 is 330355441.

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 137170944 + 7382089 = 11712^2 + 2717^2 .

It is a cyclic number.

It is not a de Polignac number, because 144553033 - 217 = 144421961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144552992 and 144553010.

It is not an unprimeable number, because it can be changed into a prime (144553133) 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, 5238 + ... + 17791.

It is an arithmetic number, because the mean of its divisors is an integer number (36145585).

Almost surely, 2144553033 is an apocalyptic number.

It is an amenable number.

144553033 is a deficient number, since it is larger than the sum of its proper divisors (29307).

144553033 is an equidigital number, since it uses as much as digits as its factorization.

144553033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29306.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 144553033 is about 12023.0209598087. The cubic root of 144553033 is about 524.8184200468.

The spelling of 144553033 in words is "one hundred forty-four million, five hundred fifty-three thousand, thirty-three".

Divisors: 1 6277 23029 144553033