144940 has 12 divisors (see below), whose sum is σ = 304416. Its totient is φ = 57968.

The previous prime is 144931. The next prime is 144941. The reversal of 144940 is 49441.

It is a happy number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (144941) 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, 3604 + ... + 3643.

It is an arithmetic number, because the mean of its divisors is an integer number (25368).

2¹⁴⁴⁹⁴⁰ is an apocalyptic number.

144940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144940 is an abundant number, since it is smaller than the sum of its proper divisors (159476).

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

144940 is a wasteful number, since it uses less digits than its factorization.

144940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7256 (or 7254 counting only the distinct ones).

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

The square root of 144940 is about 380.7098632817. The cubic root of 144940 is about 52.5286313971.

The spelling of 144940 in words is "one hundred forty-four thousand, nine hundred forty".