148140 has 36 divisors (see below), whose sum is σ = 449904. Its totient is φ = 39456.

The previous prime is 148139. The next prime is 148147. The reversal of 148140 is 41841.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 148140.

It is not an unprimeable number, because it can be changed into a prime (148147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232 + ... + 591.

2¹⁴⁸¹⁴⁰ is an apocalyptic number.

148140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148140 is an abundant number, since it is smaller than the sum of its proper divisors (301764).

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

148140 is a wasteful number, since it uses less digits than its factorization.

148140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 148140 is about 384.8895945593. The cubic root of 148140 is about 52.9123983027.

Adding to 148140 its reverse (41841), we get a palindrome (189981).

It can be divided in two parts, 1481 and 40, that added together give a square (1521 = 39²).

The spelling of 148140 in words is "one hundred forty-eight thousand, one hundred forty".