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148494289 is a prime number
BaseRepresentation
bin10001101100111…
…01011111010001
3101100102021212111
420312131133101
5301003304124
622422425321
73452115646
oct1066353721
9340367774
10148494289
1176903a59
1241892241
13249c2758
1415a15dcd
15d083494
hex8d9d7d1

148494289 has 2 divisors, whose sum is σ = 148494290. Its totient is φ = 148494288.

The previous prime is 148494263. The next prime is 148494301. The reversal of 148494289 is 982494841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146603664 + 1890625 = 12108^2 + 1375^2 .

It is a cyclic number.

It is not a de Polignac number, because 148494289 - 25 = 148494257 is a prime.

It is not a weakly prime, because it can be changed into another prime (148494389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74247144 + 74247145.

It is an arithmetic number, because the mean of its divisors is an integer number (74247145).

Almost surely, 2148494289 is an apocalyptic number.

It is an amenable number.

148494289 is a deficient number, since it is larger than the sum of its proper divisors (1).

148494289 is an equidigital number, since it uses as much as digits as its factorization.

148494289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 663552, while the sum is 49.

The square root of 148494289 is about 12185.8232795327. The cubic root of 148494289 is about 529.5454617205.

The spelling of 148494289 in words is "one hundred forty-eight million, four hundred ninety-four thousand, two hundred eighty-nine".