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144002552 = 2318000319
BaseRepresentation
bin10001001010101…
…00110111111000
3101000222002100212
420211110313320
5243331040202
622142250252
73366000341
oct1045246770
9330862325
10144002552
1174316281
1240286988
1323aac115
14151a70c8
15c997652
hex8954df8

144002552 has 8 divisors (see below), whose sum is σ = 270004800. Its totient is φ = 72001272.

The previous prime is 144002531. The next prime is 144002591. The reversal of 144002552 is 255200441.

It is a happy number.

144002552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9000152 + ... + 9000167.

It is an arithmetic number, because the mean of its divisors is an integer number (33750600).

Almost surely, 2144002552 is an apocalyptic number.

It is an amenable number.

144002552 is a deficient number, since it is larger than the sum of its proper divisors (126002248).

144002552 is a wasteful number, since it uses less digits than its factorization.

144002552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18000325 (or 18000321 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 144002552 is about 12000.1063328622. The cubic root of 144002552 is about 524.1513751809.

Adding to 144002552 its reverse (255200441), we get a palindrome (399202993).

The spelling of 144002552 in words is "one hundred forty-four million, two thousand, five hundred fifty-two".

Divisors: 1 2 4 8 18000319 36000638 72001276 144002552