145854503 has 2 divisors, whose sum is σ = 145854504. Its totient is φ = 145854502.

The previous prime is 145854491. The next prime is 145854559. The reversal of 145854503 is 305458541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145854503 - 2⁴ = 145854487 is a prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145854593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72927251 + 72927252.

It is an arithmetic number, because the mean of its divisors is an integer number (72927252).

Almost surely, 2^145854503 is an apocalyptic number.

145854503 is a deficient number, since it is larger than the sum of its proper divisors (1).

145854503 is an equidigital number, since it uses as much as digits as its factorization.

145854503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 145854503 is about 12077.0237641565. The cubic root of 145854503 is about 526.3887681395.

The spelling of 145854503 in words is "one hundred forty-five million, eight hundred fifty-four thousand, five hundred three".