144506940 has 96 divisors (see below), whose sum is σ = 415833600. Its totient is φ = 37483776.

The previous prime is 144506933. The next prime is 144506969. The reversal of 144506940 is 49605441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 413886 + ... + 414234.

It is an arithmetic number, because the mean of its divisors is an integer number (4331600).

Almost surely, 2^144506940 is an apocalyptic number.

144506940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144506940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207916800).

144506940 is an abundant number, since it is smaller than the sum of its proper divisors (271326660).

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

144506940 is a wasteful number, since it uses less digits than its factorization.

144506940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 144506940 is about 12021.1039426502. The cubic root of 144506940 is about 524.7626319240.

The spelling of 144506940 in words is "one hundred forty-four million, five hundred six thousand, nine hundred forty".