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148949 is a prime number
BaseRepresentation
bin100100010111010101
321120022122
4210113111
514231244
63105325
71160153
oct442725
9246278
10148949
11a19a9
1272245
1352a48
143c3d3
152e1ee
hex245d5

148949 has 2 divisors, whose sum is σ = 148950. Its totient is φ = 148948.

The previous prime is 148933. The next prime is 148957. The reversal of 148949 is 949841.

148949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145924 + 3025 = 382^2 + 55^2 .

It is a cyclic number.

It is not a de Polignac number, because 148949 - 24 = 148933 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 148949.

It is not a weakly prime, because it can be changed into another prime (148249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74474 + 74475.

It is an arithmetic number, because the mean of its divisors is an integer number (74475).

2148949 is an apocalyptic number.

It is an amenable number.

148949 is a deficient number, since it is larger than the sum of its proper divisors (1).

148949 is an equidigital number, since it uses as much as digits as its factorization.

148949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 35.

The square root of 148949 is about 385.9391143691. The cubic root of 148949 is about 53.0085425888.

The spelling of 148949 in words is "one hundred forty-eight thousand, nine hundred forty-nine".