148918933 has 4 divisors (see below), whose sum is σ = 152382208. Its totient is φ = 145455660.

The previous prime is 148918927. The next prime is 148918937. The reversal of 148918933 is 339819841.

It is a happy number.

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: 339819841 = 43 ⋅7902787.

It is a cyclic number.

It is not a de Polignac number, because 148918933 - 2¹⁷ = 148787861 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 (148918937) 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, 1731573 + ... + 1731658.

It is an arithmetic number, because the mean of its divisors is an integer number (38095552).

Almost surely, 2^148918933 is an apocalyptic number.

It is an amenable number.

148918933 is a deficient number, since it is larger than the sum of its proper divisors (3463275).

148918933 is an equidigital number, since it uses as much as digits as its factorization.

148918933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463274.

The product of its digits is 186624, while the sum is 46.

The square root of 148918933 is about 12203.2345302383. The cubic root of 148918933 is about 530.0497556232.

The spelling of 148918933 in words is "one hundred forty-eight million, nine hundred eighteen thousand, nine hundred thirty-three".