45443453 has 4 divisors (see below), whose sum is σ = 49574688. Its totient is φ = 41312220.

The previous prime is 45443443. The next prime is 45443471. The reversal of 45443453 is 35434454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45443453 - 2⁸ = 45443197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45443443) 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, 2065601 + ... + 2065622.

It is an arithmetic number, because the mean of its divisors is an integer number (12393672).

Almost surely, 2^45443453 is an apocalyptic number.

It is an amenable number.

45443453 is a deficient number, since it is larger than the sum of its proper divisors (4131235).

45443453 is a wasteful number, since it uses less digits than its factorization.

45443453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4131234.

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

The square root of 45443453 is about 6741.1759359922. The cubic root of 45443453 is about 356.8538948672.

It can be divided in two parts, 4544 and 3453, that added together give a palindrome (7997).

The spelling of 45443453 in words is "forty-five million, four hundred forty-three thousand, four hundred fifty-three".