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145014230605 = 542416838681
BaseRepresentation
bin1000011100001110000…
…1011000111001001101
3111212022021212012000211
42013003201120321031
54333442120334410
6150341342122421
713322405423266
oct2070341307115
9455267765024
10145014230605
1156555830882
1224130b80411
13108a0663c5a
14703955596d
153b8b03968a
hex21c3858e4d

145014230605 has 8 divisors (see below), whose sum is σ = 174058134264. Its totient is φ = 115984012800.

The previous prime is 145014230597. The next prime is 145014230611. The reversal of 145014230605 is 506032410541.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 46881776484 + 98132454121 = 216522^2 + 313261^2 .

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

It is not a de Polignac number, because 145014230605 - 23 = 145014230597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3398136 + ... + 3440545.

It is an arithmetic number, because the mean of its divisors is an integer number (21757266783).

Almost surely, 2145014230605 is an apocalyptic number.

It is an amenable number.

145014230605 is a deficient number, since it is larger than the sum of its proper divisors (29043903659).

145014230605 is an equidigital number, since it uses as much as digits as its factorization.

145014230605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6842927.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 145014230605 in words is "one hundred forty-five billion, fourteen million, two hundred thirty thousand, six hundred five".

Divisors: 1 5 4241 21205 6838681 34193405 29002846121 145014230605