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145482290 = 25102114249
BaseRepresentation
bin10001010101111…
…10001000110010
3101010202021011222
420222332020302
5244220413130
622234105042
73414402422
oct1052761062
9333667158
10145482290
1175136aa8
124087b182
13241a97c5
1415470482
15cb8ace5
hex8abe232

145482290 has 16 divisors (see below), whose sum is σ = 262143000. Its totient is φ = 58131840.

The previous prime is 145482289. The next prime is 145482313. The reversal of 145482290 is 92284541.

145482290 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 132687361 + 12794929 = 11519^2 + 3577^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 145482290.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3086 + ... + 17334.

Almost surely, 2145482290 is an apocalyptic number.

145482290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145482290 is a deficient number, since it is larger than the sum of its proper divisors (116660710).

145482290 is a wasteful number, since it uses less digits than its factorization.

145482290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15277.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 145482290 is about 12061.6039563567. The cubic root of 145482290 is about 525.9406145759.

The spelling of 145482290 in words is "one hundred forty-five million, four hundred eighty-two thousand, two hundred ninety".

Divisors: 1 2 5 10 1021 2042 5105 10210 14249 28498 71245 142490 14548229 29096458 72741145 145482290