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145325303 = 312971559
BaseRepresentation
bin10001010100101…
…11110011110111
3101010110021211122
420222113303313
5244200402203
622230454155
73413146634
oct1052276367
9333407748
10145325303
117503a062
124080435b
1324153206
141542d18b
15cb59538
hex8a97cf7

145325303 has 12 divisors (see below), whose sum is σ = 151809840. Its totient is φ = 139098240.

The previous prime is 145325291. The next prime is 145325317. The reversal of 145325303 is 303523541.

It is not a de Polignac number, because 145325303 - 24 = 145325287 is a prime.

It is a super-2 number, since 2×1453253032 = 42238887384083618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145325393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92438 + ... + 93996.

It is an arithmetic number, because the mean of its divisors is an integer number (12650820).

Almost surely, 2145325303 is an apocalyptic number.

145325303 is a deficient number, since it is larger than the sum of its proper divisors (6484537).

145325303 is an equidigital number, since it uses as much as digits as its factorization.

145325303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718 (or 1687 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 145325303 is about 12055.0944832465. The cubic root of 145325303 is about 525.7513691920.

Adding to 145325303 its reverse (303523541), we get a palindrome (448848844).

The spelling of 145325303 in words is "one hundred forty-five million, three hundred twenty-five thousand, three hundred three".

Divisors: 1 31 97 961 1559 3007 48329 93217 151223 1498199 4687913 145325303