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148241189 is a prime number
BaseRepresentation
bin10001101010111…
…11101100100101
3101022221102200102
420311133230211
5300422204224
622413153445
73450013025
oct1065375445
9338842612
10148241189
1176750888
124178b885
13249344a5
141598ba85
15d0334ae
hex8d5fb25

148241189 has 2 divisors, whose sum is σ = 148241190. Its totient is φ = 148241188.

The previous prime is 148241179. The next prime is 148241213. The reversal of 148241189 is 981142841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99660289 + 48580900 = 9983^2 + 6970^2 .

It is a cyclic number.

It is not a de Polignac number, because 148241189 - 216 = 148175653 is a prime.

It is a super-2 number, since 2×1482411892 = 43950900232267442, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148241179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74120594 + 74120595.

It is an arithmetic number, because the mean of its divisors is an integer number (74120595).

Almost surely, 2148241189 is an apocalyptic number.

It is an amenable number.

148241189 is a deficient number, since it is larger than the sum of its proper divisors (1).

148241189 is an equidigital number, since it uses as much as digits as its factorization.

148241189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 38.

The square root of 148241189 is about 12175.4338321064. The cubic root of 148241189 is about 529.2444306683.

The spelling of 148241189 in words is "one hundred forty-eight million, two hundred forty-one thousand, one hundred eighty-nine".