45450042101 has 16 divisors (see below), whose sum is σ = 49941834240. Its totient is φ = 41169688560.

The previous prime is 45450042091. The next prime is 45450042109. The reversal of 45450042101 is 10124005454.

It is a cyclic number.

It is not a de Polignac number, because 45450042101 - 2³⁰ = 44376300277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45450042109) 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, 1174406 + ... + 1212488.

It is an arithmetic number, because the mean of its divisors is an integer number (3121364640).

Almost surely, 2^45450042101 is an apocalyptic number.

It is an amenable number.

45450042101 is a deficient number, since it is larger than the sum of its proper divisors (4491792139).

45450042101 is a wasteful number, since it uses less digits than its factorization.

45450042101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40856.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 45450042101 its reverse (10124005454), we get a palindrome (55574047555).

The spelling of 45450042101 in words is "forty-five billion, four hundred fifty million, forty-two thousand, one hundred one".