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144744904 = 2318093113
BaseRepresentation
bin10001010000010…
…10000111001000
3101002100210200101
420220022013020
5244023314104
622210215144
73405211543
oct1050120710
9332323611
10144744904
1174782a97
12405844b4
1323cabc95
141531b85a
15ca925a4
hex8a0a1c8

144744904 has 8 divisors (see below), whose sum is σ = 271396710. Its totient is φ = 72372448.

The previous prime is 144744893. The next prime is 144744917. The reversal of 144744904 is 409447441.

It can be written as a sum of positive squares in only one way, i.e., 141848100 + 2896804 = 11910^2 + 1702^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9046549 + ... + 9046564.

Almost surely, 2144744904 is an apocalyptic number.

It is an amenable number.

144744904 is a deficient number, since it is larger than the sum of its proper divisors (126651806).

144744904 is a wasteful number, since it uses less digits than its factorization.

144744904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18093119 (or 18093115 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 144744904 is about 12030.9976311194. The cubic root of 144744904 is about 525.0505215175.

The spelling of 144744904 in words is "one hundred forty-four million, seven hundred forty-four thousand, nine hundred four".

Divisors: 1 2 4 8 18093113 36186226 72372452 144744904