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144545012 = 22102135393
BaseRepresentation
bin10001001110110…
…01010011110100
3101001222122110222
420213121103310
5244000420022
622202033512
73403420013
oct1047312364
9331878428
10144545012
1174656897
12404a8898
1323c3bcc1
14152a8a7a
15ca53242
hex89d94f4

144545012 has 12 divisors (see below), whose sum is σ = 253208676. Its totient is φ = 72199680.

The previous prime is 144544997. The next prime is 144545017. The reversal of 144545012 is 210545441.

144545012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 123787876 + 20757136 = 11126^2 + 4556^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144545017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13613 + ... + 21780.

It is an arithmetic number, because the mean of its divisors is an integer number (21100723).

Almost surely, 2144545012 is an apocalyptic number.

It is an amenable number.

144545012 is a deficient number, since it is larger than the sum of its proper divisors (108663664).

144545012 is a wasteful number, since it uses less digits than its factorization.

144545012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36418 (or 36416 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 144545012 is about 12022.6873867701. The cubic root of 144545012 is about 524.8087127758.

The spelling of 144545012 in words is "one hundred forty-four million, five hundred forty-five thousand, twelve".

Divisors: 1 2 4 1021 2042 4084 35393 70786 141572 36136253 72272506 144545012