45423453 has 4 divisors (see below), whose sum is σ = 60564608. Its totient is φ = 30282300.

The previous prime is 45423431. The next prime is 45423527. The reversal of 45423453 is 35432454.

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 not a de Polignac number, because 45423453 - 2⁹ = 45422941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45423453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45424453) 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, 7570573 + ... + 7570578.

It is an arithmetic number, because the mean of its divisors is an integer number (15141152).

Almost surely, 2^45423453 is an apocalyptic number.

It is an amenable number.

45423453 is a deficient number, since it is larger than the sum of its proper divisors (15141155).

45423453 is a wasteful number, since it uses less digits than its factorization.

45423453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15141154.

The product of its digits is 28800, while the sum is 30.

The square root of 45423453 is about 6739.6923520291. The cubic root of 45423453 is about 356.8015358385.

Subtracting from 45423453 its reverse (35432454), we obtain a palindrome (9990999).

The spelling of 45423453 in words is "forty-five million, four hundred twenty-three thousand, four hundred fifty-three".