45405503 has 16 divisors (see below), whose sum is σ = 55188000. Its totient is φ = 36785280.

The previous prime is 45405467. The next prime is 45405509. The reversal of 45405503 is 30550454.

It is a cyclic number.

It is not a de Polignac number, because 45405503 - 2⁶ = 45405439 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 (45405509) 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, 1328 + ... + 9621.

It is an arithmetic number, because the mean of its divisors is an integer number (3449250).

Almost surely, 2^45405503 is an apocalyptic number.

45405503 is a deficient number, since it is larger than the sum of its proper divisors (9782497).

45405503 is a wasteful number, since it uses less digits than its factorization.

45405503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11002.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 45405503 is about 6738.3605572869. The cubic root of 45405503 is about 356.7545305218.

Adding to 45405503 its reverse (30550454), we get a palindrome (75955957).

The spelling of 45405503 in words is "forty-five million, four hundred five thousand, five hundred three".