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148442141 is a prime number
BaseRepresentation
bin10001101100100…
…00110000011101
3101100022122100002
420312100300131
5301000122031
622421344045
73451510631
oct1066206035
9340278302
10148442141
1176878861
1241868025
13249a4ab3
1415a00dc1
15d072ccb
hex8d90c1d

148442141 has 2 divisors, whose sum is σ = 148442142. Its totient is φ = 148442140.

The previous prime is 148442101. The next prime is 148442159. The reversal of 148442141 is 141244841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85636516 + 62805625 = 9254^2 + 7925^2 .

It is a cyclic number.

It is not a de Polignac number, because 148442141 - 214 = 148425757 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 (148442101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74221070 + 74221071.

It is an arithmetic number, because the mean of its divisors is an integer number (74221071).

Almost surely, 2148442141 is an apocalyptic number.

It is an amenable number.

148442141 is a deficient number, since it is larger than the sum of its proper divisors (1).

148442141 is an equidigital number, since it uses as much as digits as its factorization.

148442141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4096, while the sum is 29.

The square root of 148442141 is about 12183.6833921438. The cubic root of 148442141 is about 529.4834661378.

Adding to 148442141 its reverse (141244841), we get a palindrome (289686982).

The spelling of 148442141 in words is "one hundred forty-eight million, four hundred forty-two thousand, one hundred forty-one".