45424143 has 6 divisors (see below), whose sum is σ = 65612664. Its totient is φ = 30282756.

The previous prime is 45424139. The next prime is 45424163. The reversal of 45424143 is 34142454.

It is a happy number.

It is not a de Polignac number, because 45424143 - 2² = 45424139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45424163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2523555 + ... + 2523572.

It is an arithmetic number, because the mean of its divisors is an integer number (10935444).

Almost surely, 2^45424143 is an apocalyptic number.

45424143 is a deficient number, since it is larger than the sum of its proper divisors (20188521).

45424143 is a wasteful number, since it uses less digits than its factorization.

45424143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5047133 (or 5047130 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 45424143 is about 6739.7435411149. The cubic root of 45424143 is about 356.8033424809.

Adding to 45424143 its reverse (34142454), we get a palindrome (79566597).

The spelling of 45424143 in words is "forty-five million, four hundred twenty-four thousand, one hundred forty-three".