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144081145 = 51337139431
BaseRepresentation
bin10001001011010…
…00000011111001
3101001010002011201
420211220003321
5243341044040
622144054201
73366445435
oct1045500371
9331102151
10144081145
117436a32a
1240304361
1323b08b20
14151c79c5
15c9b0a9a
hex89680f9

144081145 has 32 divisors (see below), whose sum is σ = 193052160. Its totient is φ = 102539520.

The previous prime is 144081143. The next prime is 144081151. The reversal of 144081145 is 541180441.

It is not a de Polignac number, because 144081145 - 21 = 144081143 is a prime.

It is a super-2 number, since 2×1440811452 = 41518752689022050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144081143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334080 + ... + 334510.

It is an arithmetic number, because the mean of its divisors is an integer number (6032880).

Almost surely, 2144081145 is an apocalyptic number.

It is an amenable number.

144081145 is a deficient number, since it is larger than the sum of its proper divisors (48971015).

144081145 is a wasteful number, since it uses less digits than its factorization.

144081145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 144081145 is about 12003.3805654907. The cubic root of 144081145 is about 524.2467140861.

The spelling of 144081145 in words is "one hundred forty-four million, eighty-one thousand, one hundred forty-five".

Divisors: 1 5 13 37 65 139 185 431 481 695 1807 2155 2405 5143 5603 9035 15947 25715 28015 59909 66859 79735 207311 299545 334295 778817 1036555 2216633 3894085 11083165 28816229 144081145