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144545252 = 2236136313
BaseRepresentation
bin10001001110110…
…01010111100100
3101001222122210212
420213121113210
5244000422002
622202034552
73403420505
oct1047312744
9331878725
10144545252
1174656a95
12404a8a58
1323c3c147
14152a8bac
15ca53352
hex89d95e4

144545252 has 6 divisors (see below), whose sum is σ = 252954198. Its totient is φ = 72272624.

The previous prime is 144545249. The next prime is 144545263. The reversal of 144545252 is 252545441.

144545252 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 only one way, i.e., 73547776 + 70997476 = 8576^2 + 8426^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18068153 + ... + 18068160.

It is an arithmetic number, because the mean of its divisors is an integer number (42159033).

Almost surely, 2144545252 is an apocalyptic number.

It is an amenable number.

144545252 is a deficient number, since it is larger than the sum of its proper divisors (108408946).

144545252 is a wasteful number, since it uses less digits than its factorization.

144545252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36136317 (or 36136315 counting only the distinct ones).

The product of its digits is 32000, while the sum is 32.

The square root of 144545252 is about 12022.6973678954. The cubic root of 144545252 is about 524.8090032367.

The spelling of 144545252 in words is "one hundred forty-four million, five hundred forty-five thousand, two hundred fifty-two".

Divisors: 1 2 4 36136313 72272626 144545252