148813331 has 4 divisors (see below), whose sum is σ = 149010672. Its totient is φ = 148615992.

The previous prime is 148813321. The next prime is 148813337. The reversal of 148813331 is 133318841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133318841 = 163 ⋅817907.

It is a cyclic number.

It is not a de Polignac number, because 148813331 - 2¹⁸ = 148551187 is a prime.

It is a super-2 number, since 2×148813331² = 44290814966631122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148813337) 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, 97535 + ... + 99048.

It is an arithmetic number, because the mean of its divisors is an integer number (37252668).

Almost surely, 2^148813331 is an apocalyptic number.

148813331 is a deficient number, since it is larger than the sum of its proper divisors (197341).

148813331 is an equidigital number, since it uses as much as digits as its factorization.

148813331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197340.

The product of its digits is 6912, while the sum is 32.

The square root of 148813331 is about 12198.9069592320. The cubic root of 148813331 is about 529.9244356492.

The spelling of 148813331 in words is "one hundred forty-eight million, eight hundred thirteen thousand, three hundred thirty-one".