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144900132749 is a prime number
BaseRepresentation
bin1000011011110010111…
…0001000111110001101
3111212000100011102012022
42012330232020332031
54333223413221444
6150322144415525
713316521543421
oct2067456107615
9455010142168
10144900132749
11564a7390429
12240ba9175a5
1310882b25628
147028334b81
153b80eec9ee
hex21bcb88f8d

144900132749 has 2 divisors, whose sum is σ = 144900132750. Its totient is φ = 144900132748.

The previous prime is 144900132743. The next prime is 144900132857. The reversal of 144900132749 is 947231009441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87500598025 + 57399534724 = 295805^2 + 239582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144900132749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144900132743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72450066374 + 72450066375.

It is an arithmetic number, because the mean of its divisors is an integer number (72450066375).

Almost surely, 2144900132749 is an apocalyptic number.

It is an amenable number.

144900132749 is a deficient number, since it is larger than the sum of its proper divisors (1).

144900132749 is an equidigital number, since it uses as much as digits as its factorization.

144900132749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 144900132749 in words is "one hundred forty-four billion, nine hundred million, one hundred thirty-two thousand, seven hundred forty-nine".