45103245561 has 48 divisors (see below), whose sum is σ = 72714620160. Its totient is φ = 26710594560.

The previous prime is 45103245557. The next prime is 45103245611. The reversal of 45103245561 is 16554230154.

45103245561 is a `hidden beast` number, since 4 + 51 + 0 + 3 + 2 + 45 + 561 = 666.

It is not a de Polignac number, because 45103245561 - 2² = 45103245557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45103240561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 728911 + ... + 788363.

It is an arithmetic number, because the mean of its divisors is an integer number (1514887920).

Almost surely, 2^45103245561 is an apocalyptic number.

It is an amenable number.

45103245561 is a deficient number, since it is larger than the sum of its proper divisors (27611374599).

45103245561 is a wasteful number, since it uses less digits than its factorization.

45103245561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59646 (or 59643 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 45103245561 in words is "forty-five billion, one hundred three million, two hundred forty-five thousand, five hundred sixty-one".