2545445510233 has 4 divisors (see below), whose sum is σ = 2545618249780. Its totient is φ = 2545272770688.

The previous prime is 2545445510207. The next prime is 2545445510261. The reversal of 2545445510233 is 3320155445452.

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 2028710251584 + 516735258649 = 1424328^2 + 718843^2 .

It is a cyclic number.

It is not a de Polignac number, because 2545445510233 - 2²¹ = 2545443413081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2545445510233.

It is not an unprimeable number, because it can be changed into a prime (2545445580233) 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, 86347668 + ... + 86377141.

It is an arithmetic number, because the mean of its divisors is an integer number (636404562445).

Almost surely, 2^{2545445510233} is an apocalyptic number.

It is an amenable number.

2545445510233 is a deficient number, since it is larger than the sum of its proper divisors (172739547).

2545445510233 is a wasteful number, since it uses less digits than its factorization.

2545445510233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172739546.

The product of its (nonzero) digits is 1440000, while the sum is 43.

The spelling of 2545445510233 in words is "two trillion, five hundred forty-five billion, four hundred forty-five million, five hundred ten thousand, two hundred thirty-three".