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148718797 is a prime number
BaseRepresentation
bin10001101110101…
…00010011001101
3101100211200211121
420313110103031
5301033000142
622431320541
73454042333
oct1067242315
9340750747
10148718797
1176a476a7
1241980151
1324a709b6
1415a73b53
15d0c9c67
hex8dd44cd

148718797 has 2 divisors, whose sum is σ = 148718798. Its totient is φ = 148718796.

The previous prime is 148718789. The next prime is 148718803. The reversal of 148718797 is 797817841.

148718797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146627881 + 2090916 = 12109^2 + 1446^2 .

It is a cyclic number.

It is not a de Polignac number, because 148718797 - 23 = 148718789 is a prime.

It is a super-2 number, since 2×1487187972 = 44234561162254418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148718707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74359398 + 74359399.

It is an arithmetic number, because the mean of its divisors is an integer number (74359399).

Almost surely, 2148718797 is an apocalyptic number.

It is an amenable number.

148718797 is a deficient number, since it is larger than the sum of its proper divisors (1).

148718797 is an equidigital number, since it uses as much as digits as its factorization.

148718797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 790272, while the sum is 52.

The square root of 148718797 is about 12195.0316522754. The cubic root of 148718797 is about 529.8121999871.

The spelling of 148718797 in words is "one hundred forty-eight million, seven hundred eighteen thousand, seven hundred ninety-seven".