3545401120045 has 4 divisors (see below), whose sum is σ = 4254481344060. Its totient is φ = 2836320896032.

The previous prime is 3545401120043. The next prime is 3545401120061. The reversal of 3545401120045 is 5400211045453.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1784612779236 + 1760788340809 = 1335894^2 + 1326947^2 .

It is a cyclic number.

It is not a de Polignac number, because 3545401120045 - 2¹ = 3545401120043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3545401120043) 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, 354540112000 + ... + 354540112009.

It is an arithmetic number, because the mean of its divisors is an integer number (1063620336015).

Almost surely, 2^{3545401120045} is an apocalyptic number.

It is an amenable number.

3545401120045 is a deficient number, since it is larger than the sum of its proper divisors (709080224015).

3545401120045 is an equidigital number, since it uses as much as digits as its factorization.

3545401120045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709080224014.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 3545401120045 its reverse (5400211045453), we get a palindrome (8945612165498).

The spelling of 3545401120045 in words is "three trillion, five hundred forty-five billion, four hundred one million, one hundred twenty thousand, forty-five".