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145270133 is a prime number
BaseRepresentation
bin10001010100010…
…10010101110101
3101010100111011022
420222022111311
5244142121013
622225350525
73412530041
oct1052122565
9333314138
10145270133
1175001668
1240798445
1324134078
1415417021
15cb48008
hex8a8a575

145270133 has 2 divisors, whose sum is σ = 145270134. Its totient is φ = 145270132.

The previous prime is 145270121. The next prime is 145270159. The reversal of 145270133 is 331072541.

It is an a-pointer prime, because the next prime (145270159) can be obtained adding 145270133 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129572689 + 15697444 = 11383^2 + 3962^2 .

It is a cyclic number.

It is not a de Polignac number, because 145270133 - 216 = 145204597 is a prime.

It is a super-2 number, since 2×1452701332 = 42206823083675378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145270163) 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, 72635066 + 72635067.

It is an arithmetic number, because the mean of its divisors is an integer number (72635067).

Almost surely, 2145270133 is an apocalyptic number.

It is an amenable number.

145270133 is a deficient number, since it is larger than the sum of its proper divisors (1).

145270133 is an equidigital number, since it uses as much as digits as its factorization.

145270133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 145270133 is about 12052.8060218357. The cubic root of 145270133 is about 525.6848302533.

The spelling of 145270133 in words is "one hundred forty-five million, two hundred seventy thousand, one hundred thirty-three".