148218011 has 4 divisors (see below), whose sum is σ = 149105712. Its totient is φ = 147330312.

The previous prime is 148217989. The next prime is 148218023. The reversal of 148218011 is 110812841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110812841 = 67 ⋅1653923.

It is a cyclic number.

It is not a de Polignac number, because 148218011 - 2¹⁸ = 147955867 is a prime.

It is a super-2 number, since 2×148218011² = 43937157569592242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148218211) 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, 443600 + ... + 443933.

It is an arithmetic number, because the mean of its divisors is an integer number (37276428).

Almost surely, 2^148218011 is an apocalyptic number.

148218011 is a deficient number, since it is larger than the sum of its proper divisors (887701).

148218011 is an equidigital number, since it uses as much as digits as its factorization.

148218011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887700.

The product of its (nonzero) digits is 512, while the sum is 26.

The square root of 148218011 is about 12174.4819602314. The cubic root of 148218011 is about 529.2168461918.

The spelling of 148218011 in words is "one hundred forty-eight million, two hundred eighteen thousand, eleven".