144025940 has 12 divisors (see below), whose sum is σ = 302454516. Its totient is φ = 57610368.

The previous prime is 144025939. The next prime is 144025949. The reversal of 144025940 is 49520441.

It can be written as a sum of positive squares in 2 ways, for example, as 36820624 + 107205316 = 6068^2 + 10354^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144025949) 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, 3600629 + ... + 3600668.

It is an arithmetic number, because the mean of its divisors is an integer number (25204543).

Almost surely, 2^144025940 is an apocalyptic number.

144025940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144025940 is an abundant number, since it is smaller than the sum of its proper divisors (158428576).

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

144025940 is a wasteful number, since it uses less digits than its factorization.

144025940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7201306 (or 7201304 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 144025940 is about 12001.0807846627. The cubic root of 144025940 is about 524.1797501150.

The spelling of 144025940 in words is "one hundred forty-four million, twenty-five thousand, nine hundred forty".