148304621 has 12 divisors (see below), whose sum is σ = 159244092. Its totient is φ = 138004416.

The previous prime is 148304609. The next prime is 148304657. The reversal of 148304621 is 126403841.

It can be written as a sum of positive squares in 2 ways, for example, as 55875625 + 92428996 = 7475^2 + 9614^2 .

It is not a de Polignac number, because 148304621 - 2¹⁴ = 148288237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148304921) 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 in 11 ways as a sum of consecutive naturals, for example, 15785 + ... + 23361.

It is an arithmetic number, because the mean of its divisors is an integer number (13270341).

Almost surely, 2^148304621 is an apocalyptic number.

It is an amenable number.

148304621 is a deficient number, since it is larger than the sum of its proper divisors (10939471).

148304621 is an equidigital number, since it uses as much as digits as its factorization.

148304621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7660 (or 7637 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 148304621 is about 12178.0384709525. The cubic root of 148304621 is about 529.3199073195.

The spelling of 148304621 in words is "one hundred forty-eight million, three hundred four thousand, six hundred twenty-one".