2045603001 has 8 divisors (see below), whose sum is σ = 2937276160. Its totient is φ = 1258832592.

The previous prime is 2045602927. The next prime is 2045603051. The reversal of 2045603001 is 1003065402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2045603001 - 2¹⁷ = 2045471929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2045603051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26225641 + ... + 26225718.

It is an arithmetic number, because the mean of its divisors is an integer number (367159520).

Almost surely, 2^2045603001 is an apocalyptic number.

It is an amenable number.

2045603001 is a deficient number, since it is larger than the sum of its proper divisors (891673159).

2045603001 is a wasteful number, since it uses less digits than its factorization.

2045603001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52451375.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2045603001 is about 45228.3428946938. The cubic root of 2045603001 is about 1269.4252056150.

Adding to 2045603001 its reverse (1003065402), we get a palindrome (3048668403).

The spelling of 2045603001 in words is "two billion, forty-five million, six hundred three thousand, one".