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146442845 = 5171722857
BaseRepresentation
bin10001011101010…
…00101001011101
3101012120001211002
420232220221131
5244442132340
622310440045
73425513033
oct1056505135
9335501732
10146442845
117573274a
1241063025
1324454a93
1415640553
15ccca715
hex8ba8a5d

146442845 has 8 divisors (see below), whose sum is σ = 186068664. Its totient is φ = 110262784.

The previous prime is 146442841. The next prime is 146442847. The reversal of 146442845 is 548244641.

146442845 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 4 ways, for example, as 24870169 + 121572676 = 4987^2 + 11026^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 146442845 - 22 = 146442841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146442799 and 146442808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146442841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861344 + ... + 861513.

It is an arithmetic number, because the mean of its divisors is an integer number (23258583).

Almost surely, 2146442845 is an apocalyptic number.

It is an amenable number.

146442845 is a deficient number, since it is larger than the sum of its proper divisors (39625819).

146442845 is a wasteful number, since it uses less digits than its factorization.

146442845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722879.

The product of its digits is 122880, while the sum is 38.

The square root of 146442845 is about 12101.3571552946. The cubic root of 146442845 is about 527.0955938483.

The spelling of 146442845 in words is "one hundred forty-six million, four hundred forty-two thousand, eight hundred forty-five".

Divisors: 1 5 17 85 1722857 8614285 29288569 146442845