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148512137 is a prime number
BaseRepresentation
bin10001101101000…
…01110110001001
3101100110012100112
420312201312021
5301004342022
622423044105
73452221664
oct1066416611
9340405315
10148512137
1176916404
12418a0635
13249ca907
1415a1c6db
15d0888e2
hex8da1d89

148512137 has 2 divisors, whose sum is σ = 148512138. Its totient is φ = 148512136.

The previous prime is 148512121. The next prime is 148512163. The reversal of 148512137 is 731215841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147598201 + 913936 = 12149^2 + 956^2 .

It is a cyclic number.

It is not a de Polignac number, because 148512137 - 24 = 148512121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148512167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74256068 + 74256069.

It is an arithmetic number, because the mean of its divisors is an integer number (74256069).

Almost surely, 2148512137 is an apocalyptic number.

It is an amenable number.

148512137 is a deficient number, since it is larger than the sum of its proper divisors (1).

148512137 is an equidigital number, since it uses as much as digits as its factorization.

148512137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 32.

The square root of 148512137 is about 12186.5555839212. Note that the first 4 decimals coincide. The cubic root of 148512137 is about 529.5666767873.

Adding to 148512137 its reverse (731215841), we get a palindrome (879727978).

The spelling of 148512137 in words is "one hundred forty-eight million, five hundred twelve thousand, one hundred thirty-seven".