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144243033 = 31117924419
BaseRepresentation
bin10001001100011…
…11100101011001
3101001102022020120
420212033211121
5243411234113
622151343453
73401021424
oct1046174531
9331368216
10144243033
117446aa20
1240381b89
1323b6470c
141522a9bb
15c9e3a23
hex898f959

144243033 has 16 divisors (see below), whose sum is σ = 210988800. Its totient is φ = 86928080.

The previous prime is 144243017. The next prime is 144243059. The reversal of 144243033 is 330342441.

144243033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 144243033 - 24 = 144243017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144242994 and 144243012.

It is not an unprimeable number, because it can be changed into a prime (144243083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6303 + ... + 18116.

It is an arithmetic number, because the mean of its divisors is an integer number (13186800).

Almost surely, 2144243033 is an apocalyptic number.

It is an amenable number.

144243033 is a deficient number, since it is larger than the sum of its proper divisors (66745767).

144243033 is a wasteful number, since it uses less digits than its factorization.

144243033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24612.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 144243033 is about 12010.1221059571. The cubic root of 144243033 is about 524.4429865543.

Adding to 144243033 its reverse (330342441), we get a palindrome (474585474).

The spelling of 144243033 in words is "one hundred forty-four million, two hundred forty-three thousand, thirty-three".

Divisors: 1 3 11 33 179 537 1969 5907 24419 73257 268609 805827 4371001 13113003 48081011 144243033