144052340 has 24 divisors (see below), whose sum is σ = 303367680. Its totient is φ = 57457568.

The previous prime is 144052333. The next prime is 144052343. The reversal of 144052340 is 43250441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144052343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2852 + ... + 17211.

It is an arithmetic number, because the mean of its divisors is an integer number (12640320).

Almost surely, 2^144052340 is an apocalyptic number.

144052340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144052340 is an abundant number, since it is smaller than the sum of its proper divisors (159315340).

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

144052340 is a wasteful number, since it uses less digits than its factorization.

144052340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20431 (or 20429 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 144052340 is about 12002.1806352013. The cubic root of 144052340 is about 524.2117755959.

The spelling of 144052340 in words is "one hundred forty-four million, fifty-two thousand, three hundred forty".