Search a number
-
+
148505837 is a prime number
BaseRepresentation
bin10001101101000…
…00010011101101
3101100102212201012
420312200103231
5301004141322
622422555005
73452164424
oct1066402355
9340385635
10148505837
11769116a7
1241898a65
13249c7a9c
1415a1a2bb
15d086ae2
hex8da04ed

148505837 has 2 divisors, whose sum is σ = 148505838. Its totient is φ = 148505836.

The previous prime is 148505821. The next prime is 148505849. The reversal of 148505837 is 738505841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140043556 + 8462281 = 11834^2 + 2909^2 .

It is a cyclic number.

It is not a de Polignac number, because 148505837 - 24 = 148505821 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 148505794 and 148505803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148505857) 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, 74252918 + 74252919.

It is an arithmetic number, because the mean of its divisors is an integer number (74252919).

Almost surely, 2148505837 is an apocalyptic number.

It is an amenable number.

148505837 is a deficient number, since it is larger than the sum of its proper divisors (1).

148505837 is an equidigital number, since it uses as much as digits as its factorization.

148505837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 148505837 is about 12186.2970996115. The cubic root of 148505837 is about 529.5591884717.

The spelling of 148505837 in words is "one hundred forty-eight million, five hundred five thousand, eight hundred thirty-seven".