2545438226 has 8 divisors (see below), whose sum is σ = 3851946684. Its totient is φ = 1261456000.

The previous prime is 2545438187. The next prime is 2545438297. The reversal of 2545438226 is 6228345452.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1640331001 + 905107225 = 40501^2 + 30085^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5631275 + ... + 5631726.

Almost surely, 2^2545438226 is an apocalyptic number.

2545438226 is a deficient number, since it is larger than the sum of its proper divisors (1306508458).

2545438226 is a wasteful number, since it uses less digits than its factorization.

2545438226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11263116.

The product of its digits is 460800, while the sum is 41.

The square root of 2545438226 is about 50452.3361798044. The cubic root of 2545438226 is about 1365.3820442596.

The spelling of 2545438226 in words is "two billion, five hundred forty-five million, four hundred thirty-eight thousand, two hundred twenty-six".