2645154536245 has 8 divisors (see below), whose sum is σ = 3418353554616. Its totient is φ = 1953344888256.

The previous prime is 2645154536243. The next prime is 2645154536303. The reversal of 2645154536245 is 5426354515462.

It can be written as a sum of positive squares in 4 ways, for example, as 23728013521 + 2621426522724 = 154039^2 + 1619082^2 .

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 2645154536245 - 2¹ = 2645154536243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2645154536192 and 2645154536201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645154536243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20347342522 + ... + 20347342651.

It is an arithmetic number, because the mean of its divisors is an integer number (427294194327).

Almost surely, 2^{2645154536245} is an apocalyptic number.

It is an amenable number.

2645154536245 is a deficient number, since it is larger than the sum of its proper divisors (773199018371).

2645154536245 is a wasteful number, since it uses less digits than its factorization.

2645154536245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40694685191.

The product of its digits is 17280000, while the sum is 52.

The spelling of 2645154536245 in words is "two trillion, six hundred forty-five billion, one hundred fifty-four million, five hundred thirty-six thousand, two hundred forty-five".