45315531144203 has 4 divisors (see below), whose sum is σ = 45318545964048. Its totient is φ = 45312516324360.

The previous prime is 45315531144179. The next prime is 45315531144229. The reversal of 45315531144203 is 30244113551354.

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 45315531144203 - 2³² = 45311236176907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45315531144263) 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, 1507387376 + ... + 1507417437.

It is an arithmetic number, because the mean of its divisors is an integer number (11329636491012).

Almost surely, 2^{45315531144203} is an apocalyptic number.

45315531144203 is a deficient number, since it is larger than the sum of its proper divisors (3014819845).

45315531144203 is a wasteful number, since it uses less digits than its factorization.

45315531144203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014819844.

The product of its (nonzero) digits is 432000, while the sum is 41.

Adding to 45315531144203 its reverse (30244113551354), we get a palindrome (75559644695557).

The spelling of 45315531144203 in words is "forty-five trillion, three hundred fifteen billion, five hundred thirty-one million, one hundred forty-four thousand, two hundred three".