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1445057 is a prime number
BaseRepresentation
bin101100000110011000001
32201102020122
411200303001
5332220212
650550025
715165665
oct5406301
92642218
101445057
118a7769
12598315
133b7983
142988a5
151d8272
hex160cc1

1445057 has 2 divisors, whose sum is σ = 1445058. Its totient is φ = 1445056.

The previous prime is 1445053. The next prime is 1445071. The reversal of 1445057 is 7505441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1430416 + 14641 = 1196^2 + 121^2 .

It is a cyclic number.

It is not a de Polignac number, because 1445057 - 22 = 1445053 is a prime.

It is not a weakly prime, because it can be changed into another prime (1445053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722528 + 722529.

It is an arithmetic number, because the mean of its divisors is an integer number (722529).

21445057 is an apocalyptic number.

It is an amenable number.

1445057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445057 is an equidigital number, since it uses as much as digits as its factorization.

1445057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 1445057 is about 1202.1052366578. The cubic root of 1445057 is about 113.0563584479.

The spelling of 1445057 in words is "one million, four hundred forty-five thousand, fifty-seven".