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145453387 is a prime number
BaseRepresentation
bin10001010101101…
…11000101001011
3101010200210112111
420222313011023
5244214002022
622233323151
73414222232
oct1052670513
9333623474
10145453387
1175117312
12408664b7
13241995c1
1415463b19
15cb82477
hex8ab714b

145453387 has 2 divisors, whose sum is σ = 145453388. Its totient is φ = 145453386.

The previous prime is 145453351. The next prime is 145453397. The reversal of 145453387 is 783354541.

145453387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145453387 - 227 = 11235659 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145453307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72726693 + 72726694.

It is an arithmetic number, because the mean of its divisors is an integer number (72726694).

Almost surely, 2145453387 is an apocalyptic number.

145453387 is a deficient number, since it is larger than the sum of its proper divisors (1).

145453387 is an equidigital number, since it uses as much as digits as its factorization.

145453387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 40.

The square root of 145453387 is about 12060.4057560266. The cubic root of 145453387 is about 525.9057826882.

The spelling of 145453387 in words is "one hundred forty-five million, four hundred fifty-three thousand, three hundred eighty-seven".