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162045449 is a prime number
BaseRepresentation
bin10011010100010…
…01111000001001
3102021220202120022
421222021320021
5312440423244
624025110225
74005235466
oct1152117011
9367822508
10162045449
118351a165
1246328375
13277587a7
141774266d
15e35d6ee
hex9a89e09

162045449 has 2 divisors, whose sum is σ = 162045450. Its totient is φ = 162045448.

The previous prime is 162045437. The next prime is 162045461. The reversal of 162045449 is 944540261.

It is a balanced prime because it is at equal distance from previous prime (162045437) and next prime (162045461).

It can be written as a sum of positive squares in only one way, i.e., 161467849 + 577600 = 12707^2 + 760^2 .

It is a cyclic number.

It is not a de Polignac number, because 162045449 - 212 = 162041353 is a prime.

It is a super-2 number, since 2×1620454492 = 52517455083223202, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (162045409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81022724 + 81022725.

It is an arithmetic number, because the mean of its divisors is an integer number (81022725).

Almost surely, 2162045449 is an apocalyptic number.

It is an amenable number.

162045449 is a deficient number, since it is larger than the sum of its proper divisors (1).

162045449 is an equidigital number, since it uses as much as digits as its factorization.

162045449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 162045449 is about 12729.7073414906. The cubic root of 162045449 is about 545.1871522891.

The spelling of 162045449 in words is "one hundred sixty-two million, forty-five thousand, four hundred forty-nine".