144062940 has 144 divisors (see below), whose sum is σ = 494121600. Its totient is φ = 31183488.

The previous prime is 144062939. The next prime is 144062951. The reversal of 144062940 is 49260441.

144062940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 144062898 and 144062907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54571 + ... + 57149.

It is an arithmetic number, because the mean of its divisors is an integer number (3431400).

Almost surely, 2^144062940 is an apocalyptic number.

144062940 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 144062940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247060800).

144062940 is an abundant number, since it is smaller than the sum of its proper divisors (350058660).

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

144062940 is a wasteful number, since it uses less digits than its factorization.

144062940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624 (or 2615 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 144062940 is about 12002.6222134998. The cubic root of 144062940 is about 524.2246332107.

The spelling of 144062940 in words is "one hundred forty-four million, sixty-two thousand, nine hundred forty".