145443603 has 4 divisors (see below), whose sum is σ = 193924808. Its totient is φ = 96962400.

The previous prime is 145443601. The next prime is 145443611. The reversal of 145443603 is 306344541.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 145443603 - 2¹ = 145443601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145443601) 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 3 ways as a sum of consecutive naturals, for example, 24240598 + ... + 24240603.

It is an arithmetic number, because the mean of its divisors is an integer number (48481202).

Almost surely, 2^145443603 is an apocalyptic number.

145443603 is a deficient number, since it is larger than the sum of its proper divisors (48481205).

145443603 is an equidigital number, since it uses as much as digits as its factorization.

145443603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48481204.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 145443603 is about 12060.0001243781. Note that the first 3 decimals coincide. The cubic root of 145443603 is about 525.8939906457.

The spelling of 145443603 in words is "one hundred forty-five million, four hundred forty-three thousand, six hundred three".