148055109 has 4 divisors (see below), whose sum is σ = 197406816. Its totient is φ = 98703404.

The previous prime is 148055107. The next prime is 148055119. The reversal of 148055109 is 901550841.

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, and also an emirpimes, since its reverse is a distinct semiprime: 901550841 = 3 ⋅300516947.

It is a cyclic number.

It is not a de Polignac number, because 148055109 - 2¹ = 148055107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 148055109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148055107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24675849 + ... + 24675854.

It is an arithmetic number, because the mean of its divisors is an integer number (49351704).

Almost surely, 2^148055109 is an apocalyptic number.

It is an amenable number.

148055109 is a deficient number, since it is larger than the sum of its proper divisors (49351707).

148055109 is an equidigital number, since it uses as much as digits as its factorization.

148055109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49351706.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 148055109 is about 12167.7898157389. The cubic root of 148055109 is about 529.0228929621.

The spelling of 148055109 in words is "one hundred forty-eight million, fifty-five thousand, one hundred nine".