148083281 has 2 divisors, whose sum is σ = 148083282. Its totient is φ = 148083280.

The previous prime is 148083241. The next prime is 148083301. The reversal of 148083281 is 182380841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144985681 + 3097600 = 12041^2 + 1760^2 .

It is an emirp because it is prime and its reverse (182380841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148083281 - 2⁶ = 148083217 is a prime.

It is a super-3 number, since 3×148083281³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (148083211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74041640 + 74041641.

It is an arithmetic number, because the mean of its divisors is an integer number (74041641).

Almost surely, 2^148083281 is an apocalyptic number.

It is an amenable number.

148083281 is a deficient number, since it is larger than the sum of its proper divisors (1).

148083281 is an equidigital number, since it uses as much as digits as its factorization.

148083281 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 35.

The square root of 148083281 is about 12168.9474072329. The cubic root of 148083281 is about 529.0564450808.

The spelling of 148083281 in words is "one hundred forty-eight million, eighty-three thousand, two hundred eighty-one".