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145270283 is a prime number
BaseRepresentation
bin10001010100010…
…10011000001011
3101010100111100212
420222022120023
5244142122113
622225351335
73412530344
oct1052123013
9333314325
10145270283
1175001794
124079854b
1324134162
14154170cb
15cb480a8
hex8a8a60b

145270283 has 2 divisors, whose sum is σ = 145270284. Its totient is φ = 145270282.

The previous prime is 145270249. The next prime is 145270289. The reversal of 145270283 is 382072541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145270283 - 218 = 145008139 is a prime.

It is a super-2 number, since 2×1452702832 = 42206910245800178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145270289) 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, 72635141 + 72635142.

It is an arithmetic number, because the mean of its divisors is an integer number (72635142).

Almost surely, 2145270283 is an apocalyptic number.

145270283 is a deficient number, since it is larger than the sum of its proper divisors (1).

145270283 is an equidigital number, since it uses as much as digits as its factorization.

145270283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 145270283 is about 12052.8122444515. The cubic root of 145270283 is about 525.6850111868.

The spelling of 145270283 in words is "one hundred forty-five million, two hundred seventy thousand, two hundred eighty-three".