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148031057 is a prime number
BaseRepresentation
bin10001101001011…
…00011001010001
3101022112202102202
420310230121101
5300343443212
622404452545
73445146266
oct1064543121
9338482382
10148031057
1176617a19
12416aa155
132488c955
141593526d
15cee10c2
hex8d2c651

148031057 has 2 divisors, whose sum is σ = 148031058. Its totient is φ = 148031056.

The previous prime is 148031029. The next prime is 148031089. The reversal of 148031057 is 750130841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108139201 + 39891856 = 10399^2 + 6316^2 .

It is an emirp because it is prime and its reverse (750130841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148031057 - 28 = 148030801 is a prime.

It is not a weakly prime, because it can be changed into another prime (148031027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74015528 + 74015529.

It is an arithmetic number, because the mean of its divisors is an integer number (74015529).

Almost surely, 2148031057 is an apocalyptic number.

It is an amenable number.

148031057 is a deficient number, since it is larger than the sum of its proper divisors (1).

148031057 is an equidigital number, since it uses as much as digits as its factorization.

148031057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 148031057 is about 12166.8014284774. The cubic root of 148031057 is about 528.9942442880.

Adding to 148031057 its reverse (750130841), we get a palindrome (898161898).

The spelling of 148031057 in words is "one hundred forty-eight million, thirty-one thousand, fifty-seven".