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145234041 = 31132571667
BaseRepresentation
bin10001010100000…
…01100001111001
3101010021122122120
420222001201321
5244134442131
622224511453
73412316601
oct1052014171
9333248576
10145234041
1174a87537
124077b589
1324120804
1415407c01
15cb3c496
hex8a81879

145234041 has 16 divisors (see below), whose sum is σ = 196236864. Its totient is φ = 95535104.

The previous prime is 145234003. The next prime is 145234051. The reversal of 145234041 is 140432541.

It is a cyclic number.

It is not a de Polignac number, because 145234041 - 223 = 136845433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145234051) 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 15 ways as a sum of consecutive naturals, for example, 86290 + ... + 87956.

It is an arithmetic number, because the mean of its divisors is an integer number (12264804).

Almost surely, 2145234041 is an apocalyptic number.

It is an amenable number.

145234041 is a deficient number, since it is larger than the sum of its proper divisors (51002823).

145234041 is a wasteful number, since it uses less digits than its factorization.

145234041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 145234041 is about 12051.3086841222. The cubic root of 145234041 is about 525.6412916217.

Adding to 145234041 its reverse (140432541), we get a palindrome (285666582).

The spelling of 145234041 in words is "one hundred forty-five million, two hundred thirty-four thousand, forty-one".

Divisors: 1 3 113 257 339 771 1667 5001 29041 87123 188371 428419 565113 1285257 48411347 145234041