148628933 has 4 divisors (see below), whose sum is σ = 148667820. Its totient is φ = 148590048.

The previous prime is 148628903. The next prime is 148628969. The reversal of 148628933 is 339826841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 339826841 = 173 ⋅1964317.

It can be written as a sum of positive squares in 2 ways, for example, as 24930049 + 123698884 = 4993^2 + 11122^2 .

It is a cyclic number.

It is not a de Polignac number, because 148628933 - 2⁶ = 148628869 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 (148628903) 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, 12998 + ... + 21591.

It is an arithmetic number, because the mean of its divisors is an integer number (37166955).

Almost surely, 2^148628933 is an apocalyptic number.

It is an amenable number.

148628933 is a deficient number, since it is larger than the sum of its proper divisors (38887).

148628933 is an equidigital number, since it uses as much as digits as its factorization.

148628933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38886.

The product of its digits is 248832, while the sum is 44.

The square root of 148628933 is about 12191.3466442391. The cubic root of 148628933 is about 529.7054646866.

The spelling of 148628933 in words is "one hundred forty-eight million, six hundred twenty-eight thousand, nine hundred thirty-three".