45415143 has 12 divisors (see below), whose sum is σ = 69458688. Its totient is φ = 28495680.

The previous prime is 45415129. The next prime is 45415151. The reversal of 45415143 is 34151454.

It is a happy number.

It is not a de Polignac number, because 45415143 - 2⁴ = 45415127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45415163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148263 + ... + 148568.

It is an arithmetic number, because the mean of its divisors is an integer number (5788224).

Almost surely, 2^45415143 is an apocalyptic number.

45415143 is a deficient number, since it is larger than the sum of its proper divisors (24043545).

45415143 is a wasteful number, since it uses less digits than its factorization.

45415143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296854 (or 296851 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 45415143 is about 6739.0758268475. The cubic root of 45415143 is about 356.7797761424.

Adding to 45415143 its reverse (34151454), we get a palindrome (79566597).

The spelling of 45415143 in words is "forty-five million, four hundred fifteen thousand, one hundred forty-three".