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148646231 is a prime number
BaseRepresentation
bin10001101110000…
…10100101010111
3101100201000021222
420313002211113
5301023134411
622430000555
73453320636
oct1067024527
9340630258
10148646231
11769a8128
124194615b
1324a46966
1415a5551d
15d0b34db
hex8dc2957

148646231 has 2 divisors, whose sum is σ = 148646232. Its totient is φ = 148646230.

The previous prime is 148646207. The next prime is 148646293. The reversal of 148646231 is 132646841.

148646231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148646231 - 26 = 148646167 is a prime.

It is a super-2 number, since 2×1486462312 = 44191403981010722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 148646191 and 148646200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148046231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74323115 + 74323116.

It is an arithmetic number, because the mean of its divisors is an integer number (74323116).

Almost surely, 2148646231 is an apocalyptic number.

148646231 is a deficient number, since it is larger than the sum of its proper divisors (1).

148646231 is an equidigital number, since it uses as much as digits as its factorization.

148646231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 35.

The square root of 148646231 is about 12192.0560612228. The cubic root of 148646231 is about 529.7260136010.

It can be divided in two parts, 148646 and 231, that added together give a cube (148877 = 533).

The spelling of 148646231 in words is "one hundred forty-eight million, six hundred forty-six thousand, two hundred thirty-one".