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145230684479 is a prime number
BaseRepresentation
bin1000011101000001101…
…1000110000100111111
3111212212101011011220222
42013100123012010333
54334413023400404
6150415033331555
713330644310166
oct2072033060477
9455771134828
10145230684479
1156656a31881
1224191566bbb
131090645c57a
14705a1bc3dd
153ba0043dbe
hex21d06c613f

145230684479 has 2 divisors, whose sum is σ = 145230684480. Its totient is φ = 145230684478.

The previous prime is 145230684383. The next prime is 145230684553. The reversal of 145230684479 is 974486032541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145230684479 - 224 = 145213907263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145230684479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145230687479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72615342239 + 72615342240.

It is an arithmetic number, because the mean of its divisors is an integer number (72615342240).

It is a 1-persistent number, because it is pandigital, but 2⋅145230684479 = 290461368958 is not.

Almost surely, 2145230684479 is an apocalyptic number.

145230684479 is a deficient number, since it is larger than the sum of its proper divisors (1).

145230684479 is an equidigital number, since it uses as much as digits as its factorization.

145230684479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 145230684479 in words is "one hundred forty-five billion, two hundred thirty million, six hundred eighty-four thousand, four hundred seventy-nine".