144348940 has 24 divisors (see below), whose sum is σ = 305070192. Its totient is φ = 57370560.

The previous prime is 144348929. The next prime is 144348973. The reversal of 144348940 is 49843441.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 144348940.

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, 19846 + ... + 26125.

It is an arithmetic number, because the mean of its divisors is an integer number (12711258).

Almost surely, 2^144348940 is an apocalyptic number.

144348940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144348940 is an abundant number, since it is smaller than the sum of its proper divisors (160721252).

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

144348940 is a wasteful number, since it uses less digits than its factorization.

144348940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46137 (or 46135 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 144348940 is about 12014.5303695151. The cubic root of 144348940 is about 524.5713083971.

The spelling of 144348940 in words is "one hundred forty-four million, three hundred forty-eight thousand, nine hundred forty".