148698437 has 2 divisors, whose sum is σ = 148698438. Its totient is φ = 148698436.

The previous prime is 148698409. The next prime is 148698479. The reversal of 148698437 is 734896841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79459396 + 69239041 = 8914^2 + 8321^2 .

It is a cyclic number.

It is not a de Polignac number, because 148698437 - 2⁶ = 148698373 is a prime.

It is a super-2 number, since 2×148698437² = 44222450332485938, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148628437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74349218 + 74349219.

It is an arithmetic number, because the mean of its divisors is an integer number (74349219).

Almost surely, 2^148698437 is an apocalyptic number.

It is an amenable number.

148698437 is a deficient number, since it is larger than the sum of its proper divisors (1).

148698437 is an equidigital number, since it uses as much as digits as its factorization.

148698437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 50.

The square root of 148698437 is about 12194.1968575220. The cubic root of 148698437 is about 529.7880213159.

The spelling of 148698437 in words is "one hundred forty-eight million, six hundred ninety-eight thousand, four hundred thirty-seven".