45143343021 has 8 divisors (see below), whose sum is σ = 68789856064. Its totient is φ = 25796196000.

The previous prime is 45143343019. The next prime is 45143343059. The reversal of 45143343021 is 12034334154.

45143343021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45143343021 - 2¹ = 45143343019 is a prime.

It is a super-2 number, since 2×45143343021² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45143343021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45143341021) 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, 1074841480 + ... + 1074841521.

It is an arithmetic number, because the mean of its divisors is an integer number (8598732008).

Almost surely, 2^45143343021 is an apocalyptic number.

It is an amenable number.

45143343021 is a deficient number, since it is larger than the sum of its proper divisors (23646513043).

45143343021 is a wasteful number, since it uses less digits than its factorization.

45143343021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149683011.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 45143343021 its reverse (12034334154), we get a palindrome (57177677175).

The spelling of 45143343021 in words is "forty-five billion, one hundred forty-three million, three hundred forty-three thousand, twenty-one".