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145164304634 = 2261881277157
BaseRepresentation
bin1000011100110001110…
…1111000000011111010
3111212200202020201220012
42013030131320003322
54334244030222014
6150404302501522
713326210142016
oct2071435700372
9455622221805
10145164304634
11566225136a8
12241732948a2
13108c578a75b
14705145d546
153b992d0c3e
hex21cc7780fa

145164304634 has 8 divisors (see below), whose sum is σ = 217748074068. Its totient is φ = 72581613280.

The previous prime is 145164304619. The next prime is 145164304693. The reversal of 145164304634 is 436403461541.

145164304634 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 2 ways, for example, as 141829819609 + 3334485025 = 376603^2 + 57745^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 145164304591 and 145164304600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385184 + ... + 662340.

Almost surely, 2145164304634 is an apocalyptic number.

145164304634 is a deficient number, since it is larger than the sum of its proper divisors (72583769434).

145164304634 is a wasteful number, since it uses less digits than its factorization.

145164304634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539040.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 145164304634 in words is "one hundred forty-five billion, one hundred sixty-four million, three hundred four thousand, six hundred thirty-four".

Divisors: 1 2 261881 277157 523762 554314 72582152317 145164304634