324145240 has 16 divisors (see below), whose sum is σ = 729326880. Its totient is φ = 129658080.

The previous prime is 324145231. The next prime is 324145243. The reversal of 324145240 is 42541423.

It is a happy number.

It is a super-2 number, since 2×324145240² = 210140273229315200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324145243) 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, 4051776 + ... + 4051855.

It is an arithmetic number, because the mean of its divisors is an integer number (45582930).

Almost surely, 2^324145240 is an apocalyptic number.

It is an amenable number.

324145240 is an abundant number, since it is smaller than the sum of its proper divisors (405181640).

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

324145240 is a wasteful number, since it uses less digits than its factorization.

324145240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8103642 (or 8103638 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 324145240 is about 18004.0339924140. The cubic root of 324145240 is about 686.9311587788.

Adding to 324145240 its reverse (42541423), we get a palindrome (366686663).

The spelling of 324145240 in words is "three hundred twenty-four million, one hundred forty-five thousand, two hundred forty".