145450503 has 12 divisors (see below), whose sum is σ = 229194888. Its totient is φ = 88151760.

The previous prime is 145450471. The next prime is 145450531. The reversal of 145450503 is 305054541.

It is not a de Polignac number, because 145450503 - 2⁵ = 145450471 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145450583) 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 11 ways as a sum of consecutive naturals, for example, 734500 + ... + 734697.

It is an arithmetic number, because the mean of its divisors is an integer number (19099574).

Almost surely, 2^145450503 is an apocalyptic number.

145450503 is a deficient number, since it is larger than the sum of its proper divisors (83744385).

145450503 is a wasteful number, since it uses less digits than its factorization.

145450503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469214 (or 1469211 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 145450503 is about 12060.2861906341. The cubic root of 145450503 is about 525.9023068385.

The spelling of 145450503 in words is "one hundred forty-five million, four hundred fifty thousand, five hundred three".