148621103 has 4 divisors (see below), whose sum is σ = 149936448. Its totient is φ = 147305760.

The previous prime is 148621087. The next prime is 148621127. The reversal of 148621103 is 301126841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301126841 = 883 ⋅341027.

It is a cyclic number.

It is not a de Polignac number, because 148621103 - 2⁴ = 148621087 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 (148621153) 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, 657503 + ... + 657728.

It is an arithmetic number, because the mean of its divisors is an integer number (37484112).

Almost surely, 2^148621103 is an apocalyptic number.

148621103 is a deficient number, since it is larger than the sum of its proper divisors (1315345).

148621103 is a wasteful number, since it uses less digits than its factorization.

148621103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315344.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 148621103 is about 12191.0255105959. The cubic root of 148621103 is about 529.6961626246.

Adding to 148621103 its reverse (301126841), we get a palindrome (449747944).

The spelling of 148621103 in words is "one hundred forty-eight million, six hundred twenty-one thousand, one hundred three".