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1445456511553 is a prime number
BaseRepresentation
bin10101000010001011111…
…011000000001001000001
312010011222100102211122211
4111002023323000021001
5142140243331332203
63024011125302121
7206300521424545
oct25021373001101
95104870384584
101445456511553
1150801857720a
121b4180564941
13a63c92847a2
144dd6374da25
15278edbc5c6d
hex1508bec0241

1445456511553 has 2 divisors, whose sum is σ = 1445456511554. Its totient is φ = 1445456511552.

The previous prime is 1445456511439. The next prime is 1445456511559. The reversal of 1445456511553 is 3551156545441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1428734918209 + 16721593344 = 1195297^2 + 129312^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1445456511553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1445456511497 and 1445456511506.

It is not a weakly prime, because it can be changed into another prime (1445456511559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722728255776 + 722728255777.

It is an arithmetic number, because the mean of its divisors is an integer number (722728255777).

Almost surely, 21445456511553 is an apocalyptic number.

It is an amenable number.

1445456511553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445456511553 is an equidigital number, since it uses as much as digits as its factorization.

1445456511553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600000, while the sum is 49.

The spelling of 1445456511553 in words is "one trillion, four hundred forty-five billion, four hundred fifty-six million, five hundred eleven thousand, five hundred fifty-three".