148657903 has 2 divisors, whose sum is σ = 148657904. Its totient is φ = 148657902.

The previous prime is 148657853. The next prime is 148657913. The reversal of 148657903 is 309756841.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148657903 is a prime.

It is a super-3 number, since 3×148657903³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 148657903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148657913) 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, 74328951 + 74328952.

It is an arithmetic number, because the mean of its divisors is an integer number (74328952).

Almost surely, 2^148657903 is an apocalyptic number.

148657903 is a deficient number, since it is larger than the sum of its proper divisors (1).

148657903 is an equidigital number, since it uses as much as digits as its factorization.

148657903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 148657903 is about 12192.5347241663. The cubic root of 148657903 is about 529.7398782876.

The spelling of 148657903 in words is "one hundred forty-eight million, six hundred fifty-seven thousand, nine hundred three".