45441240203 has 4 divisors (see below), whose sum is σ = 45614020848. Its totient is φ = 45268459560.

The previous prime is 45441240181. The next prime is 45441240211. The reversal of 45441240203 is 30204214454.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45441240203 is a prime.

It is a super-2 number, since 2×45441240203² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45441240233) 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, 86389928 + ... + 86390453.

It is an arithmetic number, because the mean of its divisors is an integer number (11403505212).

Almost surely, 2^45441240203 is an apocalyptic number.

45441240203 is a deficient number, since it is larger than the sum of its proper divisors (172780645).

45441240203 is a wasteful number, since it uses less digits than its factorization.

45441240203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172780644.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 45441240203 its reverse (30204214454), we get a palindrome (75645454657).

The spelling of 45441240203 in words is "forty-five billion, four hundred forty-one million, two hundred forty thousand, two hundred three".