148520243 has 2 divisors, whose sum is σ = 148520244. Its totient is φ = 148520242.

The previous prime is 148520233. The next prime is 148520261. The reversal of 148520243 is 342025841.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148520243 is a prime.

It is not a weakly prime, because it can be changed into another prime (148520213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74260121 + 74260122.

It is an arithmetic number, because the mean of its divisors is an integer number (74260122).

Almost surely, 2^148520243 is an apocalyptic number.

148520243 is a deficient number, since it is larger than the sum of its proper divisors (1).

148520243 is an equidigital number, since it uses as much as digits as its factorization.

148520243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 148520243 is about 12186.8881590010. Note that the first 3 decimals coincide. The cubic root of 148520243 is about 529.5763114418.

The spelling of 148520243 in words is "one hundred forty-eight million, five hundred twenty thousand, two hundred forty-three".