144501140 has 24 divisors (see below), whose sum is σ = 346803072. Its totient is φ = 49543200.

The previous prime is 144501127. The next prime is 144501143. The reversal of 144501140 is 41105441.

It is a super-2 number, since 2×144501140² = 41761158922599200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144501143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515936 + ... + 516215.

It is an arithmetic number, because the mean of its divisors is an integer number (14450128).

Almost surely, 2^144501140 is an apocalyptic number.

144501140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144501140 is an abundant number, since it is smaller than the sum of its proper divisors (202301932).

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

144501140 is a wasteful number, since it uses less digits than its factorization.

144501140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032167 (or 1032165 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 144501140 is about 12020.8626978266. The cubic root of 144501140 is about 524.7556111217.

Adding to 144501140 its reverse (41105441), we get a palindrome (185606581).

The spelling of 144501140 in words is "one hundred forty-four million, five hundred one thousand, one hundred forty".