745044503 has 8 divisors (see below), whose sum is σ = 851856672. Its totient is φ = 638326656.

The previous prime is 745044427. The next prime is 745044523. The reversal of 745044503 is 305440547.

745044503 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 a cyclic number.

It is not a de Polignac number, because 745044503 - 2²² = 740850199 is a prime.

It is a super-2 number, since 2×745044503² = 1110182622901034018, which contains 22 as substring.

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 745044503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745044523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5750 + ... + 39027.

It is an arithmetic number, because the mean of its divisors is an integer number (106482084).

Almost surely, 2^745044503 is an apocalyptic number.

745044503 is a deficient number, since it is larger than the sum of its proper divisors (106812169).

745044503 is a wasteful number, since it uses less digits than its factorization.

745044503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47161.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 745044503 is about 27295.5033476212. The cubic root of 745044503 is about 906.5548205969.

It can be divided in two parts, 745044 and 503, that added together give a palindrome (745547).

The spelling of 745044503 in words is "seven hundred forty-five million, forty-four thousand, five hundred three".