148532503 has 4 divisors (see below), whose sum is σ = 169751440. Its totient is φ = 127313568.

The previous prime is 148532491. The next prime is 148532533. The reversal of 148532503 is 305235841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305235841 = 17471².

It is a cyclic number.

It is not a de Polignac number, because 148532503 - 2⁵ = 148532471 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 (148532533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10609458 + ... + 10609471.

It is an arithmetic number, because the mean of its divisors is an integer number (42437860).

Almost surely, 2^148532503 is an apocalyptic number.

148532503 is a deficient number, since it is larger than the sum of its proper divisors (21218937).

148532503 is an equidigital number, since it uses as much as digits as its factorization.

148532503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21218936.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 148532503 is about 12187.3911482318. The cubic root of 148532503 is about 529.5908828044.

The spelling of 148532503 in words is "one hundred forty-eight million, five hundred thirty-two thousand, five hundred three".