2003114545 has 8 divisors (see below), whose sum is σ = 2430746280. Its totient is φ = 1584485760.

The previous prime is 2003114543. The next prime is 2003114567. The reversal of 2003114545 is 5454113002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17164449 + 1985950096 = 4143^2 + 44564^2 .

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

It is not a de Polignac number, because 2003114545 - 2¹ = 2003114543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2003114543) 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, 2250246 + ... + 2251135.

It is an arithmetic number, because the mean of its divisors is an integer number (303843285).

Almost surely, 2^2003114545 is an apocalyptic number.

It is an amenable number.

2003114545 is a deficient number, since it is larger than the sum of its proper divisors (427631735).

2003114545 is an equidigital number, since it uses as much as digits as its factorization.

2003114545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501475.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2003114545 is about 44756.1676755283. The cubic root of 2003114545 is about 1260.5747241636.

Adding to 2003114545 its reverse (5454113002), we get a palindrome (7457227547).

The spelling of 2003114545 in words is "two billion, three million, one hundred fourteen thousand, five hundred forty-five".