1545113722045 has 8 divisors (see below), whose sum is σ = 1862094135096. Its totient is φ = 1230785865216.

The previous prime is 1545113722039. The next prime is 1545113722057. The reversal of 1545113722045 is 5402273115451.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1861577316 + 1543252144729 = 43146^2 + 1242277^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1545113722045 - 2⁹ = 1545113721533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1545113721989 and 1545113722007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663137772 + ... + 663140101.

It is an arithmetic number, because the mean of its divisors is an integer number (232761766887).

Almost surely, 2^{1545113722045} is an apocalyptic number.

It is an amenable number.

1545113722045 is a deficient number, since it is larger than the sum of its proper divisors (316980413051).

1545113722045 is a wasteful number, since it uses less digits than its factorization.

1545113722045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326278111.

The product of its (nonzero) digits is 168000, while the sum is 40.

Adding to 1545113722045 its reverse (5402273115451), we get a palindrome (6947386837496).

The spelling of 1545113722045 in words is "one trillion, five hundred forty-five billion, one hundred thirteen million, seven hundred twenty-two thousand, forty-five".