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144435161 = 1337467643
BaseRepresentation
bin10001001101111…
…10011111011001
3101001210001210102
420212332133121
5243433411121
622155425145
73402451523
oct1046763731
9331701712
10144435161
1174591302
12404551b5
1323c00cc0
141527aa13
15ca3090b
hex89be7d9

144435161 has 16 divisors (see below), whose sum is σ = 160340544. Its totient is φ = 129242304.

The previous prime is 144435143. The next prime is 144435173. The reversal of 144435161 is 161534441.

It is a cyclic number.

It is not a de Polignac number, because 144435161 - 26 = 144435097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144435121) 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, 224306 + ... + 224948.

It is an arithmetic number, because the mean of its divisors is an integer number (10021284).

Almost surely, 2144435161 is an apocalyptic number.

It is an amenable number.

144435161 is a deficient number, since it is larger than the sum of its proper divisors (15905383).

144435161 is a wasteful number, since it uses less digits than its factorization.

144435161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160.

The product of its digits is 5760, while the sum is 29.

The square root of 144435161 is about 12018.1180307068. The cubic root of 144435161 is about 524.6757314258.

The spelling of 144435161 in words is "one hundred forty-four million, four hundred thirty-five thousand, one hundred sixty-one".

Divisors: 1 13 37 467 481 643 6071 8359 17279 23791 224627 300281 309283 3903653 11110397 144435161