148440 has 32 divisors (see below), whose sum is σ = 445680. Its totient is φ = 39552.

The previous prime is 148439. The next prime is 148457. The reversal of 148440 is 44841.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499 + ... + 738.

2¹⁴⁸⁴⁴⁰ is an apocalyptic number.

148440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148440 is an abundant number, since it is smaller than the sum of its proper divisors (297240).

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

148440 is a wasteful number, since it uses less digits than its factorization.

148440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251 (or 1247 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 148440 is about 385.2791196003. The cubic root of 148440 is about 52.9480920523.

The spelling of 148440 in words is "one hundred forty-eight thousand, four hundred forty".