77148 has 18 divisors (see below), whose sum is σ = 195104. Its totient is φ = 25704.

The previous prime is 77141. The next prime is 77153. The reversal of 77148 is 84177.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77141) by changing a digit.

77148 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1036 + ... + 1107.

2⁷⁷¹⁴⁸ is an apocalyptic number.

It is an amenable number.

77148 is an abundant number, since it is smaller than the sum of its proper divisors (117956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77148 is a wasteful number, since it uses less digits than its factorization.

77148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153 (or 2148 counting only the distinct ones).

The product of its digits is 1568, while the sum is 27.

The square root of 77148 is about 277.7552879785. The cubic root of 77148 is about 42.5704483270.

It can be divided in two parts, 77 and 148, that added together give a square (225 = 15²).

The spelling of 77148 in words is "seventy-seven thousand, one hundred forty-eight".