148840297 has 2 divisors, whose sum is σ = 148840298. Its totient is φ = 148840296.

The previous prime is 148840283. The next prime is 148840339. The reversal of 148840297 is 792048841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145347136 + 3493161 = 12056^2 + 1869^2 .

It is a cyclic number.

It is not a de Polignac number, because 148840297 - 2⁷ = 148840169 is a prime.

It is a super-2 number, since 2×148840297² = 44306868022096418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (148840217) 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, 74420148 + 74420149.

It is an arithmetic number, because the mean of its divisors is an integer number (74420149).

Almost surely, 2^148840297 is an apocalyptic number.

It is an amenable number.

148840297 is a deficient number, since it is larger than the sum of its proper divisors (1).

148840297 is an equidigital number, since it uses as much as digits as its factorization.

148840297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 148840297 is about 12200.0121721251. The cubic root of 148840297 is about 529.9564423679.

The spelling of 148840297 in words is "one hundred forty-eight million, eight hundred forty thousand, two hundred ninety-seven".