148378101 has 4 divisors (see below), whose sum is σ = 197837472. Its totient is φ = 98918732.

The previous prime is 148378099. The next prime is 148378117. The reversal of 148378101 is 101873841.

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 not a de Polignac number, because 148378101 - 2¹ = 148378099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148378141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24729681 + ... + 24729686.

It is an arithmetic number, because the mean of its divisors is an integer number (49459368).

Almost surely, 2^148378101 is an apocalyptic number.

It is an amenable number.

148378101 is a deficient number, since it is larger than the sum of its proper divisors (49459371).

148378101 is an equidigital number, since it uses as much as digits as its factorization.

148378101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49459370.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 148378101 is about 12181.0550035701. The cubic root of 148378101 is about 529.4073130134.

The spelling of 148378101 in words is "one hundred forty-eight million, three hundred seventy-eight thousand, one hundred one".