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145451041 = 4710193037
BaseRepresentation
bin10001010101101…
…10100000100001
3101010200200022121
420222312200201
5244213413131
622233304241
73414212341
oct1052664041
9333620277
10145451041
117511557a
1240865081
1324198508
1415462d21
15cb81911
hex8ab6821

145451041 has 8 divisors (see below), whose sum is σ = 148740480. Its totient is φ = 142169808.

The previous prime is 145451021. The next prime is 145451077. The reversal of 145451041 is 140154541.

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 145451041 - 219 = 144926753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145450997 and 145451015.

It is not an unprimeable number, because it can be changed into a prime (145451021) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 46375 + ... + 49411.

It is an arithmetic number, because the mean of its divisors is an integer number (18592560).

Almost surely, 2145451041 is an apocalyptic number.

It is an amenable number.

145451041 is a deficient number, since it is larger than the sum of its proper divisors (3289439).

145451041 is a wasteful number, since it uses less digits than its factorization.

145451041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 145451041 is about 12060.3084952252. The cubic root of 145451041 is about 525.9029552495.

The spelling of 145451041 in words is "one hundred forty-five million, four hundred fifty-one thousand, forty-one".

Divisors: 1 47 1019 3037 47893 142739 3094703 145451041