145634603 has 4 divisors (see below), whose sum is σ = 145664640. Its totient is φ = 145604568.

The previous prime is 145634581. The next prime is 145634641. The reversal of 145634603 is 306436541.

145634603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 145634603 - 2¹⁴ = 145618219 is a prime.

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 145634603.

It is not an unprimeable number, because it can be changed into a prime (145634653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5900 + ... + 18057.

It is an arithmetic number, because the mean of its divisors is an integer number (36416160).

Almost surely, 2^145634603 is an apocalyptic number.

145634603 is a deficient number, since it is larger than the sum of its proper divisors (30037).

145634603 is an equidigital number, since it uses as much as digits as its factorization.

145634603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30036.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 145634603 is about 12067.9162658679. The cubic root of 145634603 is about 526.1240954491.

The spelling of 145634603 in words is "one hundred forty-five million, six hundred thirty-four thousand, six hundred three".