45454443 has 16 divisors (see below), whose sum is σ = 62263296. Its totient is φ = 29484000.

The previous prime is 45454433. The next prime is 45454459. The reversal of 45454443 is 34445454.

It is a happy number.

It is not a de Polignac number, because 45454443 - 2⁴ = 45454427 is a prime.

It is a super-2 number, since 2×45454443² = 4132212776880498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45454433) 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, 19068 + ... + 21318.

It is an arithmetic number, because the mean of its divisors is an integer number (3891456).

Almost surely, 2^45454443 is an apocalyptic number.

45454443 is a deficient number, since it is larger than the sum of its proper divisors (16808853).

45454443 is a wasteful number, since it uses less digits than its factorization.

45454443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434.

The product of its digits is 76800, while the sum is 33.

The square root of 45454443 is about 6741.9910263957. The cubic root of 45454443 is about 356.8826596136.

Adding to 45454443 its reverse (34445454), we get a palindrome (79899897).

The spelling of 45454443 in words is "forty-five million, four hundred fifty-four thousand, four hundred forty-three".