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145070287 is a prime number
BaseRepresentation
bin10001010010110…
…01100011001111
3101002222100000121
420221121203033
5244114222122
622221205411
73411035305
oct1051314317
9332870017
10145070287
11749854aa
1240700867
132409410b
14153a4275
15cb08bc7
hex8a598cf

145070287 has 2 divisors, whose sum is σ = 145070288. Its totient is φ = 145070286.

The previous prime is 145070273. The next prime is 145070291. The reversal of 145070287 is 782070541.

It is a happy number.

145070287 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 145070287 - 223 = 136681679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145070257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72535143 + 72535144.

It is an arithmetic number, because the mean of its divisors is an integer number (72535144).

Almost surely, 2145070287 is an apocalyptic number.

145070287 is a deficient number, since it is larger than the sum of its proper divisors (1).

145070287 is an equidigital number, since it uses as much as digits as its factorization.

145070287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 145070287 is about 12044.5127340212. The cubic root of 145070287 is about 525.4436606475.

The spelling of 145070287 in words is "one hundred forty-five million, seventy thousand, two hundred eighty-seven".