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1145461 is a prime number
BaseRepresentation
bin100010111101001110101
32011012021111
410113221311
5243123321
640315021
712510352
oct4275165
92135244
101145461
11712669
12472a71
133114b5
1421b629
151795e1
hex117a75

1145461 has 2 divisors, whose sum is σ = 1145462. Its totient is φ = 1145460.

The previous prime is 1145429. The next prime is 1145479. The reversal of 1145461 is 1645411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1134225 + 11236 = 1065^2 + 106^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145461 - 25 = 1145429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572730 + 572731.

It is an arithmetic number, because the mean of its divisors is an integer number (572731).

21145461 is an apocalyptic number.

It is an amenable number.

1145461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145461 is an equidigital number, since it uses as much as digits as its factorization.

1145461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 22.

The square root of 1145461 is about 1070.2621174273. The cubic root of 1145461 is about 104.6309340658.

The spelling of 1145461 in words is "one million, one hundred forty-five thousand, four hundred sixty-one".