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148974101 is a prime number
BaseRepresentation
bin10001110000100…
…10101000010101
3101101022200001022
420320102220111
5301114132401
622441010525
73456154553
oct1070225025
9341280038
10148974101
11771014a1
1241a83a45
1324b2cc73
1415adcbd3
15d12a71b
hex8e12a15

148974101 has 2 divisors, whose sum is σ = 148974102. Its totient is φ = 148974100.

The previous prime is 148974071. The next prime is 148974103. The reversal of 148974101 is 101479841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120340900 + 28633201 = 10970^2 + 5351^2 .

It is a cyclic number.

It is not a de Polignac number, because 148974101 - 218 = 148711957 is a prime.

Together with 148974103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148974103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74487050 + 74487051.

It is an arithmetic number, because the mean of its divisors is an integer number (74487051).

Almost surely, 2148974101 is an apocalyptic number.

It is an amenable number.

148974101 is a deficient number, since it is larger than the sum of its proper divisors (1).

148974101 is an equidigital number, since it uses as much as digits as its factorization.

148974101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 148974101 is about 12205.4947052547. The cubic root of 148974101 is about 530.1152010171.

The spelling of 148974101 in words is "one hundred forty-eight million, nine hundred seventy-four thousand, one hundred one".