45131455145 has 12 divisors (see below), whose sum is σ = 62999827524. Its totient is φ = 30947283360.

The previous prime is 45131455091. The next prime is 45131455147. The reversal of 45131455145 is 54155413154.

It can be written as a sum of positive squares in 2 ways, for example, as 25000669456 + 20130785689 = 158116^2 + 141883^2 .

It is not a de Polignac number, because 45131455145 - 2²⁰ = 45130406569 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45131455099 and 45131455108.

It is not an unprimeable number, because it can be changed into a prime (45131455147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92104766 + ... + 92105255.

It is an arithmetic number, because the mean of its divisors is an integer number (5249985627).

Almost surely, 2^45131455145 is an apocalyptic number.

It is an amenable number.

45131455145 is a deficient number, since it is larger than the sum of its proper divisors (17868372379).

45131455145 is a wasteful number, since it uses less digits than its factorization.

45131455145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184210040 (or 184210033 counting only the distinct ones).

The product of its digits is 120000, while the sum is 38.

Adding to 45131455145 its reverse (54155413154), we get a palindrome (99286868299).

The spelling of 45131455145 in words is "forty-five billion, one hundred thirty-one million, four hundred fifty-five thousand, one hundred forty-five".