43425445 has 16 divisors (see below), whose sum is σ = 60173568. Its totient is φ = 29468160.

The previous prime is 43425433. The next prime is 43425461. The reversal of 43425445 is 54452434.

It is not a de Polignac number, because 43425445 - 2⁹ = 43424933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3001 + ... + 9790.

It is an arithmetic number, because the mean of its divisors is an integer number (3760848).

Almost surely, 2^43425445 is an apocalyptic number.

It is an amenable number.

43425445 is a deficient number, since it is larger than the sum of its proper divisors (16748123).

43425445 is a wasteful number, since it uses less digits than its factorization.

43425445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12900.

The product of its digits is 38400, while the sum is 31.

The square root of 43425445 is about 6589.7985553429. The cubic root of 43425445 is about 351.4914450440.

Adding to 43425445 its reverse (54452434), we get a palindrome (97877879).

The spelling of 43425445 in words is "forty-three million, four hundred twenty-five thousand, four hundred forty-five".