45525243 has 4 divisors (see below), whose sum is σ = 60700328. Its totient is φ = 30350160.

The previous prime is 45525239. The next prime is 45525283. The reversal of 45525243 is 34252554.

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

It is not a de Polignac number, because 45525243 - 2² = 45525239 is a prime.

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 45525243.

It is not an unprimeable number, because it can be changed into a prime (45525283) 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, 7587538 + ... + 7587543.

It is an arithmetic number, because the mean of its divisors is an integer number (15175082).

Almost surely, 2^45525243 is an apocalyptic number.

45525243 is a deficient number, since it is larger than the sum of its proper divisors (15175085).

45525243 is a wasteful number, since it uses less digits than its factorization.

45525243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15175084.

The product of its digits is 24000, while the sum is 30.

The square root of 45525243 is about 6747.2396578156. The cubic root of 45525243 is about 357.0678573864.

Adding to 45525243 its reverse (34252554), we get a palindrome (79777797).

The spelling of 45525243 in words is "forty-five million, five hundred twenty-five thousand, two hundred forty-three".