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145342533 = 3719364267
BaseRepresentation
bin10001010100111…
…00000001000101
3101010111011110210
420222130001011
5244201430113
622231110033
73413251110
oct1052340105
9333434423
10145342533
1175050aa6
1240812319
132415accb
1415435577
15cb5e6c3
hex8a9c045

145342533 has 16 divisors (see below), whose sum is σ = 233131520. Its totient is φ = 78681456.

The previous prime is 145342523. The next prime is 145342553. The reversal of 145342533 is 335243541.

It is not a de Polignac number, because 145342533 - 217 = 145211461 is a prime.

It is a super-3 number, since 3×1453425333 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 145342533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145342523) 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, 181735 + ... + 182532.

It is an arithmetic number, because the mean of its divisors is an integer number (14570720).

Almost surely, 2145342533 is an apocalyptic number.

It is an amenable number.

145342533 is a deficient number, since it is larger than the sum of its proper divisors (87788987).

145342533 is a wasteful number, since it uses less digits than its factorization.

145342533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364296.

The product of its digits is 21600, while the sum is 30.

The square root of 145342533 is about 12055.8090976923. The cubic root of 145342533 is about 525.7721463449.

The spelling of 145342533 in words is "one hundred forty-five million, three hundred forty-two thousand, five hundred thirty-three".

Divisors: 1 3 7 19 21 57 133 399 364267 1092801 2549869 6921073 7649607 20763219 48447511 145342533