45105252051 has 16 divisors (see below), whose sum is σ = 62219727360. Its totient is φ = 29030658720.

The previous prime is 45105252041. The next prime is 45105252053. The reversal of 45105252051 is 15025250154.

It is not a de Polignac number, because 45105252051 - 2⁵ = 45105252019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45105252053) 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 15 ways as a sum of consecutive naturals, for example, 1590486 + ... + 1618596.

It is an arithmetic number, because the mean of its divisors is an integer number (3888732960).

Almost surely, 2^45105252051 is an apocalyptic number.

45105252051 is a deficient number, since it is larger than the sum of its proper divisors (17114475309).

45105252051 is a wasteful number, since it uses less digits than its factorization.

45105252051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46586.

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 45105252051 in words is "forty-five billion, one hundred five million, two hundred fifty-two thousand, fifty-one".