148981183 has 8 divisors (see below), whose sum is σ = 169879248. Its totient is φ = 129431424.

The previous prime is 148981181. The next prime is 148981193. The reversal of 148981183 is 381189841.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148981183 - 2¹ = 148981181 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 (148981181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336841 + ... + 337282.

It is an arithmetic number, because the mean of its divisors is an integer number (21234906).

Almost surely, 2^148981183 is an apocalyptic number.

148981183 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

148981183 is a deficient number, since it is larger than the sum of its proper divisors (20898065).

148981183 is a wasteful number, since it uses less digits than its factorization.

148981183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674153.

The product of its digits is 55296, while the sum is 43.

The square root of 148981183 is about 12205.7848170447. The cubic root of 148981183 is about 530.1236011716.

The spelling of 148981183 in words is "one hundred forty-eight million, nine hundred eighty-one thousand, one hundred eighty-three".