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148422077 is a prime number
BaseRepresentation
bin10001101100010…
…11110110111101
3101100021121210222
420312023312331
5300444001302
622421111125
73451365266
oct1066136675
9340247728
10148422077
1176864781
12418584a5
132499891b
14159d796d
15d06bda2
hex8d8bdbd

148422077 has 2 divisors, whose sum is σ = 148422078. Its totient is φ = 148422076.

The previous prime is 148422049. The next prime is 148422137. The reversal of 148422077 is 770224841.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130393561 + 18028516 = 11419^2 + 4246^2 .

It is a cyclic number.

It is not a de Polignac number, because 148422077 - 222 = 144227773 is a prime.

It is a super-2 number, since 2×1484220772 = 44058225881987858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148424077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74211038 + 74211039.

It is an arithmetic number, because the mean of its divisors is an integer number (74211039).

Almost surely, 2148422077 is an apocalyptic number.

It is an amenable number.

148422077 is a deficient number, since it is larger than the sum of its proper divisors (1).

148422077 is an equidigital number, since it uses as much as digits as its factorization.

148422077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 148422077 is about 12182.8599680042. The cubic root of 148422077 is about 529.4596094017.

The spelling of 148422077 in words is "one hundred forty-eight million, four hundred twenty-two thousand, seventy-seven".