148290997 has 2 divisors, whose sum is σ = 148290998. Its totient is φ = 148290996.

The previous prime is 148290977. The next prime is 148291009. The reversal of 148290997 is 799092841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143664196 + 4626801 = 11986^2 + 2151^2 .

It is a cyclic number.

It is not a de Polignac number, because 148290997 - 2⁷ = 148290869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 148290997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148290937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74145498 + 74145499.

It is an arithmetic number, because the mean of its divisors is an integer number (74145499).

Almost surely, 2^148290997 is an apocalyptic number.

It is an amenable number.

148290997 is a deficient number, since it is larger than the sum of its proper divisors (1).

148290997 is an equidigital number, since it uses as much as digits as its factorization.

148290997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 148290997 is about 12177.4790905179. The cubic root of 148290997 is about 529.3036981701.

The spelling of 148290997 in words is "one hundred forty-eight million, two hundred ninety thousand, nine hundred ninety-seven".