148274533 has 4 divisors (see below), whose sum is σ = 161754048. Its totient is φ = 134795020.

The previous prime is 148274521. The next prime is 148274563. The reversal of 148274533 is 335472841.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148274533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148274492 and 148274501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148274563) 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, 6739741 + ... + 6739762.

It is an arithmetic number, because the mean of its divisors is an integer number (40438512).

Almost surely, 2^148274533 is an apocalyptic number.

It is an amenable number.

148274533 is a deficient number, since it is larger than the sum of its proper divisors (13479515).

148274533 is a wasteful number, since it uses less digits than its factorization.

148274533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13479514.

The product of its digits is 80640, while the sum is 37.

The square root of 148274533 is about 12176.8030697716. The cubic root of 148274533 is about 529.2841088069.

The spelling of 148274533 in words is "one hundred forty-eight million, two hundred seventy-four thousand, five hundred thirty-three".