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145350305 = 5101328697
BaseRepresentation
bin10001010100111…
…01111010100001
3101010111120010122
420222131322201
5244202202210
622231210025
73413312552
oct1052357241
9333446118
10145350305
1175056921
1240816915
13241616c9
1415438329
15cb61b55
hex8a9dea1

145350305 has 8 divisors (see below), whose sum is σ = 174598632. Its totient is φ = 116161408.

The previous prime is 145350299. The next prime is 145350377. The reversal of 145350305 is 503053541.

145350305 is digitally balanced in base 2, 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 12271009 + 133079296 = 3503^2 + 11536^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145350305 - 26 = 145350241 is a prime.

It is a super-2 number, since 2×1453503052 = 42253422327186050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9284 + ... + 19413.

It is an arithmetic number, because the mean of its divisors is an integer number (21824829).

Almost surely, 2145350305 is an apocalyptic number.

It is an amenable number.

145350305 is a deficient number, since it is larger than the sum of its proper divisors (29248327).

145350305 is a wasteful number, since it uses less digits than its factorization.

145350305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29715.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 145350305 is about 12056.1314276181. The cubic root of 145350305 is about 525.7815178349.

The spelling of 145350305 in words is "one hundred forty-five million, three hundred fifty thousand, three hundred five".

Divisors: 1 5 1013 5065 28697 143485 29070061 145350305