544254143245 has 4 divisors (see below), whose sum is σ = 653104971900. Its totient is φ = 435403314592.

The previous prime is 544254143231. The next prime is 544254143263. The reversal of 544254143245 is 542341452445.

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 345882781924 + 198371361321 = 588118^2 + 445389^2 .

It is a cyclic number.

It is not a de Polignac number, because 544254143245 - 2⁷ = 544254143117 is a prime.

It is a congruent number.

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, 54425414320 + ... + 54425414329.

It is an arithmetic number, because the mean of its divisors is an integer number (163276242975).

Almost surely, 2^544254143245 is an apocalyptic number.

It is an amenable number.

544254143245 is a deficient number, since it is larger than the sum of its proper divisors (108850828655).

544254143245 is a wasteful number, since it uses less digits than its factorization.

544254143245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108850828654.

The product of its digits is 1536000, while the sum is 43.

The spelling of 544254143245 in words is "five hundred forty-four billion, two hundred fifty-four million, one hundred forty-three thousand, two hundred forty-five".