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145141144 = 2318142643
BaseRepresentation
bin10001010011010…
…10110110011000
3101010002221012221
420221222312120
5244124004034
622222513424
73411452011
oct1051526630
9333087187
10145141144
1174a23765
1240735874
13240ba445
14153c2008
15cb1ebb4
hex8a6ad98

145141144 has 8 divisors (see below), whose sum is σ = 272139660. Its totient is φ = 72570568.

The previous prime is 145141099. The next prime is 145141147. The reversal of 145141144 is 441141541.

145141144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145141147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9071314 + ... + 9071329.

Almost surely, 2145141144 is an apocalyptic number.

It is an amenable number.

145141144 is a deficient number, since it is larger than the sum of its proper divisors (126998516).

145141144 is a wasteful number, since it uses less digits than its factorization.

145141144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18142649 (or 18142645 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

The square root of 145141144 is about 12047.4538388823. The cubic root of 145141144 is about 525.5291945916.

Adding to 145141144 its reverse (441141541), we get a palindrome (586282685).

The spelling of 145141144 in words is "one hundred forty-five million, one hundred forty-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 18142643 36285286 72570572 145141144