148663381 has 2 divisors, whose sum is σ = 148663382. Its totient is φ = 148663380.

The previous prime is 148663369. The next prime is 148663393. The reversal of 148663381 is 183366841.

It is a happy number.

148663381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (148663369) and next prime (148663393).

It can be written as a sum of positive squares in only one way, i.e., 77598481 + 71064900 = 8809^2 + 8430^2 .

It is a cyclic number.

It is not a de Polignac number, because 148663381 - 2⁵ = 148663349 is a prime.

It is a super-2 number, since 2×148663381² = 44201601700702322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148663301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74331690 + 74331691.

It is an arithmetic number, because the mean of its divisors is an integer number (74331691).

Almost surely, 2^148663381 is an apocalyptic number.

It is an amenable number.

148663381 is a deficient number, since it is larger than the sum of its proper divisors (1).

148663381 is an equidigital number, since it uses as much as digits as its factorization.

148663381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 40.

The square root of 148663381 is about 12192.7593677559. The cubic root of 148663381 is about 529.7463851272.

The spelling of 148663381 in words is "one hundred forty-eight million, six hundred sixty-three thousand, three hundred eighty-one".