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145201303 = 1331571631
BaseRepresentation
bin10001010011110…
…01100010010111
3101010012222202001
420221321202113
5244132420203
622224100131
73412122262
oct1051714227
9333188661
10145201303
1174a64985
1240764647
132410b940
14153d9cd9
15cb3291d
hex8a79897

145201303 has 16 divisors (see below), whose sum is σ = 161953792. Its totient is φ = 129276000.

The previous prime is 145201229. The next prime is 145201313. The reversal of 145201303 is 303102541.

145201303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-145201303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145201313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229798 + ... + 230428.

It is an arithmetic number, because the mean of its divisors is an integer number (10122112).

Almost surely, 2145201303 is an apocalyptic number.

145201303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145201303 is a deficient number, since it is larger than the sum of its proper divisors (16752489).

145201303 is a wasteful number, since it uses less digits than its factorization.

145201303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 145201303 is about 12049.9503318478. The cubic root of 145201303 is about 525.6017927603.

Adding to 145201303 its reverse (303102541), we get a palindrome (448303844).

The spelling of 145201303 in words is "one hundred forty-five million, two hundred one thousand, three hundred three".

Divisors: 1 13 31 403 571 631 7423 8203 17701 19561 230113 254293 360301 4683913 11169331 145201303