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144604146 = 23163199743
BaseRepresentation
bin10001001111001…
…11101111110010
3101002002122121010
420213213233302
5244004313041
622203211350
73404054301
oct1047475762
9332078533
10144604146
1174697265
1240516b56
1323c5cbab
14152c2438
15ca65a16
hex89e7bf2

144604146 has 32 divisors (see below), whose sum is σ = 292838400. Its totient is φ = 47600784.

The previous prime is 144604133. The next prime is 144604147. The reversal of 144604146 is 641406441.

It is not an unprimeable number, because it can be changed into a prime (144604147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194251 + ... + 194993.

It is an arithmetic number, because the mean of its divisors is an integer number (9151200).

Almost surely, 2144604146 is an apocalyptic number.

144604146 is an abundant number, since it is smaller than the sum of its proper divisors (148234254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144604146 is a wasteful number, since it uses less digits than its factorization.

144604146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 144604146 is about 12025.1464024352. The cubic root of 144604146 is about 524.8802702026.

The spelling of 144604146 in words is "one hundred forty-four million, six hundred four thousand, one hundred forty-six".

Divisors: 1 2 3 6 163 199 326 398 489 597 743 978 1194 1486 2229 4458 32437 64874 97311 121109 147857 194622 242218 295714 363327 443571 726654 887142 24100691 48201382 72302073 144604146