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148532845 = 529706569
BaseRepresentation
bin10001101101001…
…10111001101101
3101100111020202111
420312212321231
5301011022340
622423324021
73452336236
oct1066467155
9340436674
10148532845
117692aa1a
12418b0611
1324a07176
1415a2608d
15d08eaea
hex8da6e6d

148532845 has 4 divisors (see below), whose sum is σ = 178239420. Its totient is φ = 118826272.

The previous prime is 148532843. The next prime is 148532851. The reversal of 148532845 is 548235841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 548235841 = 2173925219.

It can be written as a sum of positive squares in 2 ways, for example, as 71690089 + 76842756 = 8467^2 + 8766^2 .

It is a cyclic number.

It is not a de Polignac number, because 148532845 - 21 = 148532843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 148532798 and 148532807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148532843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14853280 + ... + 14853289.

It is an arithmetic number, because the mean of its divisors is an integer number (44559855).

Almost surely, 2148532845 is an apocalyptic number.

It is an amenable number.

148532845 is a deficient number, since it is larger than the sum of its proper divisors (29706575).

148532845 is an equidigital number, since it uses as much as digits as its factorization.

148532845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29706574.

The product of its digits is 153600, while the sum is 40.

The square root of 148532845 is about 12187.4051791183. The cubic root of 148532845 is about 529.5912892697.

The spelling of 148532845 in words is "one hundred forty-eight million, five hundred thirty-two thousand, eight hundred forty-five".

Divisors: 1 5 29706569 148532845