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144330725 = 52721110711
BaseRepresentation
bin10001001101001…
…00111111100101
3101001120202112102
420212210333211
5243422040400
622153301445
73401535200
oct1046447745
9331522472
10144330725
117451a8a0
1240404885
1323b955c6
1415250937
15ca0e9d5
hex89a4fe5

144330725 has 36 divisors (see below), whose sum is σ = 227137248. Its totient is φ = 89964000.

The previous prime is 144330679. The next prime is 144330737. The reversal of 144330725 is 527033441.

It is a happy number.

It is not a de Polignac number, because 144330725 - 210 = 144329701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8120 + ... + 18830.

It is an arithmetic number, because the mean of its divisors is an integer number (6309368).

Almost surely, 2144330725 is an apocalyptic number.

It is an amenable number.

144330725 is a deficient number, since it is larger than the sum of its proper divisors (82806523).

144330725 is a wasteful number, since it uses less digits than its factorization.

144330725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10746 (or 10734 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 144330725 is about 12013.7723051505. The cubic root of 144330725 is about 524.5492427268.

The spelling of 144330725 in words is "one hundred forty-four million, three hundred thirty thousand, seven hundred twenty-five".

Divisors: 1 5 7 11 25 35 49 55 77 175 245 275 385 539 1225 1925 2695 10711 13475 53555 74977 117821 267775 374885 524839 589105 824747 1874425 2624195 2945525 4123735 5773229 13120975 20618675 28866145 144330725