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148044461 is a prime number
BaseRepresentation
bin10001101001011…
…11101010101101
3101022120102211012
420310233222231
5300344410321
622405035005
73445233335
oct1064575255
9338512735
10148044461
1176626aa4
12416b5a65
1324895a96
141593a0c5
15cee505b
hex8d2faad

148044461 has 2 divisors, whose sum is σ = 148044462. Its totient is φ = 148044460.

The previous prime is 148044439. The next prime is 148044493. The reversal of 148044461 is 164440841.

It is an a-pointer prime, because the next prime (148044493) can be obtained adding 148044461 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141253225 + 6791236 = 11885^2 + 2606^2 .

It is an emirp because it is prime and its reverse (164440841) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-148044461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148044401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74022230 + 74022231.

It is an arithmetic number, because the mean of its divisors is an integer number (74022231).

Almost surely, 2148044461 is an apocalyptic number.

It is an amenable number.

148044461 is a deficient number, since it is larger than the sum of its proper divisors (1).

148044461 is an equidigital number, since it uses as much as digits as its factorization.

148044461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 148044461 is about 12167.3522592222. The cubic root of 148044461 is about 529.0102103630.

The spelling of 148044461 in words is "one hundred forty-eight million, forty-four thousand, four hundred sixty-one".