145065603 has 4 divisors (see below), whose sum is σ = 193420808. Its totient is φ = 96710400.

The previous prime is 145065581. The next prime is 145065619. The reversal of 145065603 is 306560541.

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

It is not a de Polignac number, because 145065603 - 2⁹ = 145065091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145065643) 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 in 3 ways as a sum of consecutive naturals, for example, 24177598 + ... + 24177603.

It is an arithmetic number, because the mean of its divisors is an integer number (48355202).

Almost surely, 2^145065603 is an apocalyptic number.

145065603 is a deficient number, since it is larger than the sum of its proper divisors (48355205).

145065603 is an equidigital number, since it uses as much as digits as its factorization.

145065603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48355204.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 145065603 is about 12044.3182870597. The cubic root of 145065603 is about 525.4380054472.

The spelling of 145065603 in words is "one hundred forty-five million, sixty-five thousand, six hundred three".