45543434 has 4 divisors (see below), whose sum is σ = 68315154. Its totient is φ = 22771716.

The previous prime is 45543431. The next prime is 45543439. The reversal of 45543434 is 43434554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43434554 = 2 ⋅21717277.

It can be written as a sum of positive squares in only one way, i.e., 31080625 + 14462809 = 5575^2 + 3803^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45543434.

It is not an unprimeable number, because it can be changed into a prime (45543431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11385857 + ... + 11385860.

Almost surely, 2^45543434 is an apocalyptic number.

45543434 is a deficient number, since it is larger than the sum of its proper divisors (22771720).

45543434 is a wasteful number, since it uses less digits than its factorization.

45543434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22771719.

The product of its digits is 57600, while the sum is 32.

The square root of 45543434 is about 6748.5875559261. The cubic root of 45543434 is about 357.1154101726.

Adding to 45543434 its reverse (43434554), we get a palindrome (88977988).

The spelling of 45543434 in words is "forty-five million, five hundred forty-three thousand, four hundred thirty-four".