306148 has 6 divisors (see below), whose sum is σ = 535766. Its totient is φ = 153072.

The previous prime is 306139. The next prime is 306149. The reversal of 306148 is 841603.

It can be written as a sum of positive squares in only one way, i.e., 304704 + 1444 = 552^2 + 38^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38265 + ... + 38272.

2³⁰⁶¹⁴⁸ is an apocalyptic number.

It is an amenable number.

306148 is a deficient number, since it is larger than the sum of its proper divisors (229618).

306148 is a wasteful number, since it uses less digits than its factorization.

306148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76541 (or 76539 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 306148 is about 553.3064250485. The cubic root of 306148 is about 67.3975033342.

It can be divided in two parts, 306 and 148, that added together give a palindrome (454).

The spelling of 306148 in words is "three hundred six thousand, one hundred forty-eight".