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145124443 is a prime number
BaseRepresentation
bin10001010011001…
…10110001011011
3101010002002022101
420221212301123
5244122440233
622222304231
73411352222
oct1051466133
9333062271
10145124443
1174a12162
1240728077
13240b2969
14153b9cb9
15cb19c7d
hex8a66c5b

145124443 has 2 divisors, whose sum is σ = 145124444. Its totient is φ = 145124442.

The previous prime is 145124407. The next prime is 145124449. The reversal of 145124443 is 344421541.

145124443 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 a de Polignac number, because none of the positive numbers 2k-145124443 is a prime.

It is a super-2 number, since 2×1451244432 = 42122207912120498, which contains 22 as substring.

It is equal to p8185222 and since 145124443 and 8185222 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (145124449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72562221 + 72562222.

It is an arithmetic number, because the mean of its divisors is an integer number (72562222).

Almost surely, 2145124443 is an apocalyptic number.

145124443 is a deficient number, since it is larger than the sum of its proper divisors (1).

145124443 is an equidigital number, since it uses as much as digits as its factorization.

145124443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 28.

The square root of 145124443 is about 12046.7606849310. The cubic root of 145124443 is about 525.5090367427.

Adding to 145124443 its reverse (344421541), we get a palindrome (489545984).

The spelling of 145124443 in words is "one hundred forty-five million, one hundred twenty-four thousand, four hundred forty-three".