148076521 has 2 divisors, whose sum is σ = 148076522. Its totient is φ = 148076520.

The previous prime is 148076503. The next prime is 148076527. The reversal of 148076521 is 125670841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134096400 + 13980121 = 11580^2 + 3739^2 .

It is a cyclic number.

It is not a de Polignac number, because 148076521 - 2⁹ = 148076009 is a prime.

It is not a weakly prime, because it can be changed into another prime (148076527) 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, 74038260 + 74038261.

It is an arithmetic number, because the mean of its divisors is an integer number (74038261).

Almost surely, 2^148076521 is an apocalyptic number.

It is an amenable number.

148076521 is a deficient number, since it is larger than the sum of its proper divisors (1).

148076521 is an equidigital number, since it uses as much as digits as its factorization.

148076521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 148076521 is about 12168.6696479114. The cubic root of 148076521 is about 529.0483944848.

The spelling of 148076521 in words is "one hundred forty-eight million, seventy-six thousand, five hundred twenty-one".