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147023141 is a prime number
BaseRepresentation
bin10001100001101…
…10010100100101
3101020122112211112
420300312110211
5300114220031
622331114405
73433450616
oct1060662445
9336575745
10147023141
1175a99731
12412a2a05
13245c8c55
1415751c0d
15cd9262b
hex8c36525

147023141 has 2 divisors, whose sum is σ = 147023142. Its totient is φ = 147023140.

The previous prime is 147023119. The next prime is 147023143. The reversal of 147023141 is 141320741.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140541025 + 6482116 = 11855^2 + 2546^2 .

It is a cyclic number.

It is not a de Polignac number, because 147023141 - 26 = 147023077 is a prime.

It is a super-3 number, since 3×1470231413 (a number of 25 digits) contains 333 as substring.

Together with 147023143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147023143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73511570 + 73511571.

It is an arithmetic number, because the mean of its divisors is an integer number (73511571).

Almost surely, 2147023141 is an apocalyptic number.

It is an amenable number.

147023141 is a deficient number, since it is larger than the sum of its proper divisors (1).

147023141 is an equidigital number, since it uses as much as digits as its factorization.

147023141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 147023141 is about 12125.3099341831. The cubic root of 147023141 is about 527.7909011433.

Adding to 147023141 its reverse (141320741), we get a palindrome (288343882).

The spelling of 147023141 in words is "one hundred forty-seven million, twenty-three thousand, one hundred forty-one".