148203749 has 2 divisors, whose sum is σ = 148203750. Its totient is φ = 148203748.

The previous prime is 148203719. The next prime is 148203787. The reversal of 148203749 is 947302841.

148203749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (148203787) can be obtained adding 148203749 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94284100 + 53919649 = 9710^2 + 7343^2 .

It is a cyclic number.

It is not a de Polignac number, because 148203749 - 2⁸ = 148203493 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148203719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74101874 + 74101875.

It is an arithmetic number, because the mean of its divisors is an integer number (74101875).

Almost surely, 2^148203749 is an apocalyptic number.

It is an amenable number.

148203749 is a deficient number, since it is larger than the sum of its proper divisors (1).

148203749 is an equidigital number, since it uses as much as digits as its factorization.

148203749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 148203749 is about 12173.8962127989. The cubic root of 148203749 is about 529.1998713480.

The spelling of 148203749 in words is "one hundred forty-eight million, two hundred three thousand, seven hundred forty-nine".