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BaseRepresentation
bin100100010000100001
321112201111
4210100201
514223023
63103321
71155661
oct442041
9245644
10148513
11a1642
1271b41
13527a1
143c1a1
152e00d
hex24421

148513 has 2 divisors, whose sum is σ = 148514. Its totient is φ = 148512.

The previous prime is 148501. The next prime is 148517. The reversal of 148513 is 315841.

148513 = 2722 + 2732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74529 + 73984 = 273^2 + 272^2 .

It is a cyclic number.

It is not a de Polignac number, because 148513 - 213 = 140321 is a prime.

It is a super-2 number, since 2×1485132 = 44112222338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (148517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74256 + 74257.

It is an arithmetic number, because the mean of its divisors is an integer number (74257).

2148513 is an apocalyptic number.

148513 is the 273-rd centered square number.

It is an amenable number.

148513 is a deficient number, since it is larger than the sum of its proper divisors (1).

148513 is an equidigital number, since it uses as much as digits as its factorization.

148513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 22.

The square root of 148513 is about 385.3738444679. The cubic root of 148513 is about 52.9567702551.

The spelling of 148513 in words is "one hundred forty-eight thousand, five hundred thirteen".