148503013 has 4 divisors (see below), whose sum is σ = 149571520. Its totient is φ = 147434508.

The previous prime is 148503001. The next prime is 148503029. The reversal of 148503013 is 310305841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148503013 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 (148503613) 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 3 ways as a sum of consecutive naturals, for example, 534045 + ... + 534322.

It is an arithmetic number, because the mean of its divisors is an integer number (37392880).

Almost surely, 2^148503013 is an apocalyptic number.

It is an amenable number.

148503013 is a deficient number, since it is larger than the sum of its proper divisors (1068507).

148503013 is a wasteful number, since it uses less digits than its factorization.

148503013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068506.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 148503013 is about 12186.1812312143. The cubic root of 148503013 is about 529.5558317358. Note that the first 3 decimals are identical.

Adding to 148503013 its reverse (310305841), we get a palindrome (458808854).

The spelling of 148503013 in words is "one hundred forty-eight million, five hundred three thousand, thirteen".