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145011017 is a prime number
BaseRepresentation
bin10001010010010…
…11000101001001
3101002212022201102
420221023011021
5244110323032
622220031145
73410400434
oct1051130511
9332768642
10145011017
1174944a18
12406924b5
1324073148
141538a81b
15cae6362
hex8a4b149

145011017 has 2 divisors, whose sum is σ = 145011018. Its totient is φ = 145011016.

The previous prime is 145010977. The next prime is 145011047. The reversal of 145011017 is 710110541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143616256 + 1394761 = 11984^2 + 1181^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-145011017 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145011017.

It is not a weakly prime, because it can be changed into another prime (145011047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72505508 + 72505509.

It is an arithmetic number, because the mean of its divisors is an integer number (72505509).

Almost surely, 2145011017 is an apocalyptic number.

It is an amenable number.

145011017 is a deficient number, since it is larger than the sum of its proper divisors (1).

145011017 is an equidigital number, since it uses as much as digits as its factorization.

145011017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 145011017 is about 12042.0520261291. The cubic root of 145011017 is about 525.3720923784.

Adding to 145011017 its reverse (710110541), we get a palindrome (855121558).

The spelling of 145011017 in words is "one hundred forty-five million, eleven thousand, seventeen".