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145068115 = 529013623
BaseRepresentation
bin10001010010110…
…01000001010011
3101002222020001011
420221121001103
5244114134430
622221151351
73411026053
oct1051310123
9332866034
10145068115
1174983905
12406bb557
132409312a
14153a3563
15cb0822a
hex8a59053

145068115 has 4 divisors (see below), whose sum is σ = 174081744. Its totient is φ = 116054488.

The previous prime is 145068073. The next prime is 145068151. The reversal of 145068115 is 511860541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145068115 - 217 = 144937043 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14506807 + ... + 14506816.

It is an arithmetic number, because the mean of its divisors is an integer number (43520436).

Almost surely, 2145068115 is an apocalyptic number.

145068115 is a deficient number, since it is larger than the sum of its proper divisors (29013629).

145068115 is an equidigital number, since it uses as much as digits as its factorization.

145068115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29013628.

The product of its (nonzero) digits is 4800, while the sum is 31.

The square root of 145068115 is about 12044.4225681433. The cubic root of 145068115 is about 525.4410383110.

The spelling of 145068115 in words is "one hundred forty-five million, sixty-eight thousand, one hundred fifteen".

Divisors: 1 5 29013623 145068115