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148541831 is a prime number
BaseRepresentation
bin10001101101010…
…01000110000111
3101100111201002022
420312221012013
5301011314311
622423433355
73452404364
oct1066510607
9340451068
10148541831
1176936749
12418b585b
1324a0b299
1415a2946b
15d0925db
hex8da9187

148541831 has 2 divisors, whose sum is σ = 148541832. Its totient is φ = 148541830.

The previous prime is 148541819. The next prime is 148541879. The reversal of 148541831 is 138145841.

It is a weak prime.

It is an emirp because it is prime and its reverse (138145841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148541831 - 218 = 148279687 is a prime.

It is a super-2 number, since 2×1485418312 = 44129351113665122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 148541791 and 148541800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148541131) 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, 74270915 + 74270916.

It is an arithmetic number, because the mean of its divisors is an integer number (74270916).

Almost surely, 2148541831 is an apocalyptic number.

148541831 is a deficient number, since it is larger than the sum of its proper divisors (1).

148541831 is an equidigital number, since it uses as much as digits as its factorization.

148541831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15360, while the sum is 35.

The square root of 148541831 is about 12187.7738328212. The cubic root of 148541831 is about 529.6019688635.

The spelling of 148541831 in words is "one hundred forty-eight million, five hundred forty-one thousand, eight hundred thirty-one".