144325040 has 20 divisors (see below), whose sum is σ = 335555904. Its totient is φ = 57729984.

The previous prime is 144325009. The next prime is 144325063. The reversal of 144325040 is 40523441.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 144324997 and 144325015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 901952 + ... + 902111.

Almost surely, 2^144325040 is an apocalyptic number.

144325040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144325040 is an abundant number, since it is smaller than the sum of its proper divisors (191230864).

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

144325040 is a wasteful number, since it uses less digits than its factorization.

144325040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804076 (or 1804070 counting only the distinct ones).

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

The square root of 144325040 is about 12013.5356993684. The cubic root of 144325040 is about 524.5423555317.

Adding to 144325040 its reverse (40523441), we get a palindrome (184848481).

The spelling of 144325040 in words is "one hundred forty-four million, three hundred twenty-five thousand, forty".