45450042102 has 24 divisors (see below), whose sum is σ = 98498476440. Its totient is φ = 15146416320.

The previous prime is 45450042091. The next prime is 45450042109. The reversal of 45450042102 is 20124005454.

45450042102 is a `hidden beast` number, since 4 + 54 + 500 + 4 + 2 + 102 = 666.

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 11 ways as a sum of consecutive naturals, for example, 221352 + ... + 374027.

It is an arithmetic number, because the mean of its divisors is an integer number (4104103185).

Almost surely, 2^45450042102 is an apocalyptic number.

45450042102 is an abundant number, since it is smaller than the sum of its proper divisors (53048434338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45450042102 is a wasteful number, since it uses less digits than its factorization.

45450042102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599628 (or 599625 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 45450042102 its reverse (20124005454), we get a palindrome (65574047556).

The spelling of 45450042102 in words is "forty-five billion, four hundred fifty million, forty-two thousand, one hundred two".