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145135303 = 311466673
BaseRepresentation
bin10001010011010…
…01011011000111
3101010002122012121
420221221123013
5244123312203
622222430411
73411425665
oct1051513307
9333078177
10145135303
1174a1a335
1240732407
13240b78a1
14153bdc35
15cb1d0bd
hex8a696c7

145135303 has 4 divisors (see below), whose sum is σ = 145602288. Its totient is φ = 144668320.

The previous prime is 145135301. The next prime is 145135327. The reversal of 145135303 is 303531541.

145135303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145135303 - 21 = 145135301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145135301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233026 + ... + 233647.

It is an arithmetic number, because the mean of its divisors is an integer number (36400572).

Almost surely, 2145135303 is an apocalyptic number.

145135303 is a deficient number, since it is larger than the sum of its proper divisors (466985).

145135303 is an equidigital number, since it uses as much as digits as its factorization.

145135303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466984.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 145135303 is about 12047.2114200756. The cubic root of 145135303 is about 525.5221447707.

Adding to 145135303 its reverse (303531541), we get a palindrome (448666844).

The spelling of 145135303 in words is "one hundred forty-five million, one hundred thirty-five thousand, three hundred three".

Divisors: 1 311 466673 145135303