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148439 is a prime number
BaseRepresentation
bin100100001111010111
321112121202
4210033113
514222224
63103115
71155524
oct441727
9245552
10148439
11a1585
1271a9b
1352745
143c14b
152deae
hex243d7

148439 has 2 divisors, whose sum is σ = 148440. Its totient is φ = 148438.

The previous prime is 148429. The next prime is 148457. The reversal of 148439 is 934841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148439 - 216 = 82903 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74219 + 74220.

It is an arithmetic number, because the mean of its divisors is an integer number (74220).

2148439 is an apocalyptic number.

148439 is a deficient number, since it is larger than the sum of its proper divisors (1).

148439 is an equidigital number, since it uses as much as digits as its factorization.

148439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 29.

The square root of 148439 is about 385.2778218377. The cubic root of 148439 is about 52.9479731531.

The spelling of 148439 in words is "one hundred forty-eight thousand, four hundred thirty-nine".