61044000245 has 8 divisors (see below), whose sum is σ = 73257620184. Its totient is φ = 48831986944.

The previous prime is 61044000239. The next prime is 61044000263. The reversal of 61044000245 is 54200044016.

61044000245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5094247876 + 55949752369 = 71374^2 + 236537^2 .

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 61044000245 - 2⁴ = 61044000229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316424 + ... + 471393.

It is an arithmetic number, because the mean of its divisors is an integer number (9157202523).

Almost surely, 2^61044000245 is an apocalyptic number.

It is an amenable number.

61044000245 is a deficient number, since it is larger than the sum of its proper divisors (12213619939).

61044000245 is a wasteful number, since it uses less digits than its factorization.

61044000245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803319.

The product of its (nonzero) digits is 3840, while the sum is 26.

The spelling of 61044000245 in words is "sixty-one billion, forty-four million, two hundred forty-five", and thus it is an aban number.