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144573057 = 32311912713
BaseRepresentation
bin10001001111000…
…00001010000001
3101002001001221200
420213200022001
5244002314212
622202411413
73403564536
oct1047401201
9332031850
10144573057
1174675972
1240500b69
1323c4b9b5
14152b4d8d
15ca5b6dc
hex89e0281

144573057 has 24 divisors (see below), whose sum is σ = 216772608. Its totient is φ = 92750400.

The previous prime is 144573047. The next prime is 144573059. The reversal of 144573057 is 750375441.

It is a happy number.

It is not a de Polignac number, because 144573057 - 26 = 144572993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144573059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51933 + ... + 54645.

It is an arithmetic number, because the mean of its divisors is an integer number (9032192).

Almost surely, 2144573057 is an apocalyptic number.

It is an amenable number.

144573057 is a deficient number, since it is larger than the sum of its proper divisors (72199551).

144573057 is a wasteful number, since it uses less digits than its factorization.

144573057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941 (or 2938 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 144573057 is about 12023.8536667742. The cubic root of 144573057 is about 524.8426521657.

The spelling of 144573057 in words is "one hundred forty-four million, five hundred seventy-three thousand, fifty-seven".

Divisors: 1 3 9 31 93 191 279 573 1719 2713 5921 8139 17763 24417 53289 84103 252309 518183 756927 1554549 4663647 16063673 48191019 144573057