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1455403141 is a prime number
BaseRepresentation
bin101011010111111…
…1011000010000101
310202102121010210001
41112233323002011
510440040400031
6400230201301
751031502563
oct12657730205
93672533701
101455403141
1168759aa15
123474b3231
131a26a92ba
14db414a33
1587b8a861
hex56bfb085

1455403141 has 2 divisors, whose sum is σ = 1455403142. Its totient is φ = 1455403140.

The previous prime is 1455403139. The next prime is 1455403171. The reversal of 1455403141 is 1413045541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1335610116 + 119793025 = 36546^2 + 10945^2 .

It is a cyclic number.

It is not a de Polignac number, because 1455403141 - 21 = 1455403139 is a prime.

Together with 1455403139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1455403111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727701570 + 727701571.

It is an arithmetic number, because the mean of its divisors is an integer number (727701571).

Almost surely, 21455403141 is an apocalyptic number.

It is an amenable number.

1455403141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1455403141 is an equidigital number, since it uses as much as digits as its factorization.

1455403141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1455403141 is about 38149.7462770069. The cubic root of 1455403141 is about 1133.2553272627.

Adding to 1455403141 its reverse (1413045541), we get a palindrome (2868448682).

The spelling of 1455403141 in words is "one billion, four hundred fifty-five million, four hundred three thousand, one hundred forty-one".