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145568612 = 2272742697
BaseRepresentation
bin10001010110100…
…11001101100100
3101010220122121002
420223103031210
5244231143422
622240012432
73415212200
oct1053231544
9333818532
10145568612
1175195942
1240901118
1324209b97
1415493b00
15cba6692
hex8ad3364

145568612 has 18 divisors (see below), whose sum is σ = 296336502. Its totient is φ = 62386464.

The previous prime is 145568611. The next prime is 145568627. The reversal of 145568612 is 216865541.

It is a happy number.

145568612 is digitally balanced in base 3, 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 only one way, i.e., 141943396 + 3625216 = 11914^2 + 1904^2 .

It is not an unprimeable number, because it can be changed into a prime (145568611) 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 5 ways as a sum of consecutive naturals, for example, 371153 + ... + 371544.

It is an arithmetic number, because the mean of its divisors is an integer number (16463139).

Almost surely, 2145568612 is an apocalyptic number.

It is an amenable number.

145568612 is an abundant number, since it is smaller than the sum of its proper divisors (150767890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145568612 is a wasteful number, since it uses less digits than its factorization.

145568612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742715 (or 742706 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The square root of 145568612 is about 12065.1818055096. The cubic root of 145568612 is about 526.0446163969.

The spelling of 145568612 in words is "one hundred forty-five million, five hundred sixty-eight thousand, six hundred twelve".

Divisors: 1 2 4 7 14 28 49 98 196 742697 1485394 2970788 5198879 10397758 20795516 36392153 72784306 145568612