4543450140 has 24 divisors (see below), whose sum is σ = 12721660560. Its totient is φ = 1211586688.

The previous prime is 4543450057. The next prime is 4543450147. The reversal of 4543450140 is 410543454.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4543450098 and 4543450107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4543450147) 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, 37862025 + ... + 37862144.

It is an arithmetic number, because the mean of its divisors is an integer number (530069190).

Almost surely, 2^4543450140 is an apocalyptic number.

It is an amenable number.

4543450140 is an abundant number, since it is smaller than the sum of its proper divisors (8178210420).

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

4543450140 is a wasteful number, since it uses less digits than its factorization.

4543450140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75724181 (or 75724179 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 4543450140 is about 67405.1195385039. The cubic root of 4543450140 is about 1656.2602875070.

Adding to 4543450140 its reverse (410543454), we get a palindrome (4953993594).

The spelling of 4543450140 in words is "four billion, five hundred forty-three million, four hundred fifty thousand, one hundred forty".