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148469 is a prime number
BaseRepresentation
bin100100001111110101
321112122212
4210033311
514222334
63103205
71155566
oct441765
9245585
10148469
11a1602
1271b05
1352769
143c16d
152dece
hex243f5

148469 has 2 divisors, whose sum is σ = 148470. Its totient is φ = 148468.

The previous prime is 148457. The next prime is 148471. The reversal of 148469 is 964841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114244 + 34225 = 338^2 + 185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-148469 is a prime.

It is a super-2 number, since 2×1484692 = 44086087922, which contains 22 as substring.

Together with 148471, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 7.

It is a zygodrome in base 7.

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, 74234 + 74235.

It is an arithmetic number, because the mean of its divisors is an integer number (74235).

2148469 is an apocalyptic number.

It is an amenable number.

148469 is a deficient number, since it is larger than the sum of its proper divisors (1).

148469 is an equidigital number, since it uses as much as digits as its factorization.

148469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 148469 is about 385.3167528151. The cubic root of 148469 is about 52.9515398981.

The spelling of 148469 in words is "one hundred forty-eight thousand, four hundred sixty-nine".