45205143 has 16 divisors (see below), whose sum is σ = 63697920. Its totient is φ = 28458144.

The previous prime is 45205141. The next prime is 45205187. The reversal of 45205143 is 34150254.

It is not a de Polignac number, because 45205143 - 2¹ = 45205141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45205141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1305 + ... + 9597.

It is an arithmetic number, because the mean of its divisors is an integer number (3981120).

Almost surely, 2^45205143 is an apocalyptic number.

45205143 is a deficient number, since it is larger than the sum of its proper divisors (18492777).

45205143 is a wasteful number, since it uses less digits than its factorization.

45205143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8398.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 45205143 is about 6723.4770022660. The cubic root of 45205143 is about 356.2290087970.

Adding to 45205143 its reverse (34150254), we get a palindrome (79355397).

The spelling of 45205143 in words is "forty-five million, two hundred five thousand, one hundred forty-three".