45241942109 has 24 divisors (see below), whose sum is σ = 56693204568. Its totient is φ = 35785411200.

The previous prime is 45241942051. The next prime is 45241942177. The reversal of 45241942109 is 90124914254.

It can be written as a sum of positive squares in 4 ways, for example, as 21588424900 + 23653517209 = 146930^2 + 153797^2 .

It is not a de Polignac number, because 45241942109 - 2²⁴ = 45225164893 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45241942199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2767259 + ... + 2783559.

It is an arithmetic number, because the mean of its divisors is an integer number (2362216857).

Almost surely, 2^45241942109 is an apocalyptic number.

45241942109 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

45241942109 is a deficient number, since it is larger than the sum of its proper divisors (11451262459).

45241942109 is a wasteful number, since it uses less digits than its factorization.

45241942109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20685 (or 20678 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 45241942109 in words is "forty-five billion, two hundred forty-one million, nine hundred forty-two thousand, one hundred nine".