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145017053 is a prime number
BaseRepresentation
bin10001010010011…
…00100011011101
3101002212121222222
420221030203131
5244111021203
622220115125
73410424146
oct1051144335
9332777888
10145017053
1174949505
1240695aa5
1324075b0c
141538cacd
15cae8038
hex8a4c8dd

145017053 has 2 divisors, whose sum is σ = 145017054. Its totient is φ = 145017052.

The previous prime is 145017017. The next prime is 145017079. The reversal of 145017053 is 350710541.

It is an a-pointer prime, because the next prime (145017079) can be obtained adding 145017053 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103774969 + 41242084 = 10187^2 + 6422^2 .

It is an emirp because it is prime and its reverse (350710541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145017053 - 210 = 145016029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145017013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72508526 + 72508527.

It is an arithmetic number, because the mean of its divisors is an integer number (72508527).

Almost surely, 2145017053 is an apocalyptic number.

It is an amenable number.

145017053 is a deficient number, since it is larger than the sum of its proper divisors (1).

145017053 is an equidigital number, since it uses as much as digits as its factorization.

145017053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 145017053 is about 12042.3026452585. The cubic root of 145017053 is about 525.3793817141.

Adding to 145017053 its reverse (350710541), we get a palindrome (495727594).

The spelling of 145017053 in words is "one hundred forty-five million, seventeen thousand, fifty-three".