148518641 has 2 divisors, whose sum is σ = 148518642. Its totient is φ = 148518640.

The previous prime is 148518619. The next prime is 148518653. The reversal of 148518641 is 146815841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98406400 + 50112241 = 9920^2 + 7079^2 .

It is a cyclic number.

It is not a de Polignac number, because 148518641 - 2⁶ = 148518577 is a prime.

It is equal to p_8365772 and since 148518641 and 8365772 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 148518595 and 148518604.

It is not a weakly prime, because it can be changed into another prime (148518691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74259320 + 74259321.

It is an arithmetic number, because the mean of its divisors is an integer number (74259321).

Almost surely, 2^148518641 is an apocalyptic number.

It is an amenable number.

148518641 is a deficient number, since it is larger than the sum of its proper divisors (1).

148518641 is an equidigital number, since it uses as much as digits as its factorization.

148518641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30720, while the sum is 38.

The square root of 148518641 is about 12186.8224324473. The cubic root of 148518641 is about 529.5744073595.

The spelling of 148518641 in words is "one hundred forty-eight million, five hundred eighteen thousand, six hundred forty-one".