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145488050249 is a prime number
BaseRepresentation
bin1000011101111111000…
…0110111100001001001
3111220112022102201101112
42013133300313201021
54340424420101444
6150500345500105
713340221010543
oct2073760674111
9456468381345
10145488050249
1156779236563
12242437a1635
13109478807c9
147082454693
153bb793069e
hex21dfc37849

145488050249 has 2 divisors, whose sum is σ = 145488050250. Its totient is φ = 145488050248.

The previous prime is 145488050233. The next prime is 145488050321. The reversal of 145488050249 is 942050884541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144329328649 + 1158721600 = 379907^2 + 34040^2 .

It is a cyclic number.

It is not a de Polignac number, because 145488050249 - 24 = 145488050233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145488050197 and 145488050206.

It is not a weakly prime, because it can be changed into another prime (145488050209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72744025124 + 72744025125.

It is an arithmetic number, because the mean of its divisors is an integer number (72744025125).

Almost surely, 2145488050249 is an apocalyptic number.

It is an amenable number.

145488050249 is a deficient number, since it is larger than the sum of its proper divisors (1).

145488050249 is an equidigital number, since it uses as much as digits as its factorization.

145488050249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1843200, while the sum is 50.

The spelling of 145488050249 in words is "one hundred forty-five billion, four hundred eighty-eight million, fifty thousand, two hundred forty-nine".