45528143 has 4 divisors (see below), whose sum is σ = 46274568. Its totient is φ = 44781720.

The previous prime is 45528139. The next prime is 45528149. The reversal of 45528143 is 34182554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45528143 - 2² = 45528139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45528149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373121 + ... + 373242.

It is an arithmetic number, because the mean of its divisors is an integer number (11568642).

Almost surely, 2^45528143 is an apocalyptic number.

45528143 is a deficient number, since it is larger than the sum of its proper divisors (746425).

45528143 is an equidigital number, since it uses as much as digits as its factorization.

45528143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746424.

The product of its digits is 19200, while the sum is 32.

The square root of 45528143 is about 6747.4545570904. The cubic root of 45528143 is about 357.0754390762.

The spelling of 45528143 in words is "forty-five million, five hundred twenty-eight thousand, one hundred forty-three".