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145269683 = 1341479569
BaseRepresentation
bin10001010100010…
…10001110110011
3101010100110112122
420222022032303
5244142112213
622225344455
73412525526
oct1052121663
9333313478
10145269683
1175001299
124079812b
1324133ac0
1415416bbd
15cb47d08
hex8a8a3b3

145269683 has 16 divisors (see below), whose sum is σ = 160876800. Its totient is φ = 130321920.

The previous prime is 145269673. The next prime is 145269713. The reversal of 145269683 is 386962541.

It is a cyclic number.

It is not a de Polignac number, because 145269683 - 28 = 145269427 is a prime.

It is a super-2 number, since 2×1452696832 = 42206561597840978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145269643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255023 + ... + 255591.

It is an arithmetic number, because the mean of its divisors is an integer number (10054800).

Almost surely, 2145269683 is an apocalyptic number.

145269683 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145269683 is a deficient number, since it is larger than the sum of its proper divisors (15607117).

145269683 is a wasteful number, since it uses less digits than its factorization.

145269683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102.

The product of its digits is 311040, while the sum is 44.

The square root of 145269683 is about 12052.7873539692. The cubic root of 145269683 is about 525.6842874520.

The spelling of 145269683 in words is "one hundred forty-five million, two hundred sixty-nine thousand, six hundred eighty-three".

Divisors: 1 13 41 479 533 569 6227 7397 19639 23329 255307 272551 303277 3543163 11174591 145269683