148538867 has 4 divisors (see below), whose sum is σ = 150573720. Its totient is φ = 146504016.

The previous prime is 148538849. The next prime is 148538869. The reversal of 148538867 is 768835841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 148538867 - 2¹⁰ = 148537843 is a prime.

It is a super-3 number, since 3×148538867³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148538869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017317 + ... + 1017462.

It is an arithmetic number, because the mean of its divisors is an integer number (37643430).

Almost surely, 2^148538867 is an apocalyptic number.

148538867 is a deficient number, since it is larger than the sum of its proper divisors (2034853).

148538867 is an equidigital number, since it uses as much as digits as its factorization.

148538867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034852.

The product of its digits is 1290240, while the sum is 50.

The square root of 148538867 is about 12187.6522349466. The cubic root of 148538867 is about 529.5984462853.

The spelling of 148538867 in words is "one hundred forty-eight million, five hundred thirty-eight thousand, eight hundred sixty-seven".