45403523 has 8 divisors (see below), whose sum is σ = 50739696. Its totient is φ = 40268800.

The previous prime is 45403493. The next prime is 45403607. The reversal of 45403523 is 32530454.

45403523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45403523 - 2¹² = 45399427 is a prime.

It is a super-2 number, since 2×45403523² = 4122959801623058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45403492 and 45403501.

It is not an unprimeable number, because it can be changed into a prime (45403223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49886 + ... + 50787.

It is an arithmetic number, because the mean of its divisors is an integer number (6342462).

Almost surely, 2^45403523 is an apocalyptic number.

45403523 is a deficient number, since it is larger than the sum of its proper divisors (5336173).

45403523 is a wasteful number, since it uses less digits than its factorization.

45403523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100725.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 45403523 is about 6738.2136356753. The cubic root of 45403523 is about 356.7493447756.

Adding to 45403523 its reverse (32530454), we get a palindrome (77933977).

The spelling of 45403523 in words is "forty-five million, four hundred three thousand, five hundred twenty-three".