2445145251155 has 4 divisors (see below), whose sum is σ = 2934174301392. Its totient is φ = 1956116200920.

The previous prime is 2445145251151. The next prime is 2445145251161. The reversal of 2445145251155 is 5511525415442.

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

It is not a de Polignac number, because 2445145251155 - 2² = 2445145251151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2445145251151) 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, 244514525111 + ... + 244514525120.

It is an arithmetic number, because the mean of its divisors is an integer number (733543575348).

Almost surely, 2^{2445145251155} is an apocalyptic number.

2445145251155 is a deficient number, since it is larger than the sum of its proper divisors (489029050237).

2445145251155 is an equidigital number, since it uses as much as digits as its factorization.

2445145251155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489029050236.

The product of its digits is 800000, while the sum is 44.

The spelling of 2445145251155 in words is "two trillion, four hundred forty-five billion, one hundred forty-five million, two hundred fifty-one thousand, one hundred fifty-five".