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145243012 = 2236310753
BaseRepresentation
bin10001010100000…
…11101110000100
3101010022002221211
420222003232010
5244140234022
622225021204
73412355005
oct1052035604
9333262854
10145243012
1174a93252
1240784804
1324124915
141540b1ac
15cb3ee77
hex8a83b84

145243012 has 6 divisors (see below), whose sum is σ = 254175278. Its totient is φ = 72621504.

The previous prime is 145243009. The next prime is 145243037. The reversal of 145243012 is 210342541.

145243012 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., 78428736 + 66814276 = 8856^2 + 8174^2 .

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 as a sum of consecutive naturals, namely, 18155373 + ... + 18155380.

Almost surely, 2145243012 is an apocalyptic number.

It is an amenable number.

145243012 is a deficient number, since it is larger than the sum of its proper divisors (108932266).

145243012 is a wasteful number, since it uses less digits than its factorization.

145243012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36310757 (or 36310755 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 145243012 is about 12051.6808786161. The cubic root of 145243012 is about 525.6521142244.

Adding to 145243012 its reverse (210342541), we get a palindrome (355585553).

The spelling of 145243012 in words is "one hundred forty-five million, two hundred forty-three thousand, twelve".

Divisors: 1 2 4 36310753 72621506 145243012