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144369097 = 1011429397
BaseRepresentation
bin10001001101011…
…10010111001001
3101001122201011121
420212232113021
5243424302342
622154155241
73402055105
oct1046562711
9331581147
10144369097
1174546704
1240422b21
1323ba9c02
1415260905
15ca1b067
hex89ae5c9

144369097 has 4 divisors (see below), whose sum is σ = 145798596. Its totient is φ = 142939600.

The previous prime is 144369073. The next prime is 144369119. The reversal of 144369097 is 790963441.

144369097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 790963441 = 7331079077.

It can be written as a sum of positive squares in 2 ways, for example, as 137100681 + 7268416 = 11709^2 + 2696^2 .

It is a cyclic number.

It is not a de Polignac number, because 144369097 - 27 = 144368969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144369067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714598 + ... + 714799.

It is an arithmetic number, because the mean of its divisors is an integer number (36449649).

Almost surely, 2144369097 is an apocalyptic number.

It is an amenable number.

144369097 is a deficient number, since it is larger than the sum of its proper divisors (1429499).

144369097 is a wasteful number, since it uses less digits than its factorization.

144369097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429498.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 144369097 is about 12015.3691994878. The cubic root of 144369097 is about 524.5957244445.

The spelling of 144369097 in words is "one hundred forty-four million, three hundred sixty-nine thousand, ninety-seven".

Divisors: 1 101 1429397 144369097