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45448561 is a prime number
BaseRepresentation
bin1010110101011…
…1110101110001
310011112000201001
42231113311301
543113323221
64302042001
71061210044
oct255276561
9104460631
1045448561
11237221a4
1213279301
139553852
146070c5b
153ecb391
hex2b57d71

45448561 has 2 divisors, whose sum is σ = 45448562. Its totient is φ = 45448560.

The previous prime is 45448553. The next prime is 45448583. The reversal of 45448561 is 16584454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42706225 + 2742336 = 6535^2 + 1656^2 .

It is a cyclic number.

It is not a de Polignac number, because 45448561 - 23 = 45448553 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45448561.

It is not a weakly prime, because it can be changed into another prime (45448661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22724280 + 22724281.

It is an arithmetic number, because the mean of its divisors is an integer number (22724281).

Almost surely, 245448561 is an apocalyptic number.

It is an amenable number.

45448561 is a deficient number, since it is larger than the sum of its proper divisors (1).

45448561 is an equidigital number, since it uses as much as digits as its factorization.

45448561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76800, while the sum is 37.

The square root of 45448561 is about 6741.5547909959. The cubic root of 45448561 is about 356.8672649002.

The spelling of 45448561 in words is "forty-five million, four hundred forty-eight thousand, five hundred sixty-one".