45143000 has 64 divisors (see below), whose sum is σ = 120744000. Its totient is φ = 15475200.

The previous prime is 45142957. The next prime is 45143003. The reversal of 45143000 is 34154.

45143000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 45143000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45143003) 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 15 ways as a sum of consecutive naturals, for example, 3776 + ... + 10224.

It is an arithmetic number, because the mean of its divisors is an integer number (1886625).

Almost surely, 2^45143000 is an apocalyptic number.

45143000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45143000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60372000).

45143000 is an abundant number, since it is smaller than the sum of its proper divisors (75601000).

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

45143000 is a wasteful number, since it uses less digits than its factorization.

45143000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6477 (or 6463 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 45143000 is about 6718.8540689615. The cubic root of 45143000 is about 356.0656992746.

Adding to 45143000 its reverse (34154), we get a palindrome (45177154).

The spelling of 45143000 in words is "forty-five million, one hundred forty-three thousand".