45254243 has 4 divisors (see below), whose sum is σ = 45507240. Its totient is φ = 45001248.

The previous prime is 45254227. The next prime is 45254269. The reversal of 45254243 is 34245254.

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 45254243 - 2⁴ = 45254227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45254743) 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, 126230 + ... + 126587.

It is an arithmetic number, because the mean of its divisors is an integer number (11376810).

Almost surely, 2^45254243 is an apocalyptic number.

45254243 is a deficient number, since it is larger than the sum of its proper divisors (252997).

45254243 is a wasteful number, since it uses less digits than its factorization.

45254243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252996.

The product of its digits is 19200, while the sum is 29.

The square root of 45254243 is about 6727.1273958503. The cubic root of 45254243 is about 356.3579359822.

Adding to 45254243 its reverse (34245254), we get a palindrome (79499497).

The spelling of 45254243 in words is "forty-five million, two hundred fifty-four thousand, two hundred forty-three".