45840102 has 64 divisors (see below), whose sum is σ = 115029504. Its totient is φ = 11831040.

The previous prime is 45840101. The next prime is 45840133. The reversal of 45840102 is 20104854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45840101) 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 31 ways as a sum of consecutive naturals, for example, 144448 + ... + 144764.

It is an arithmetic number, because the mean of its divisors is an integer number (1797336).

Almost surely, 2^45840102 is an apocalyptic number.

45840102 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 45840102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57514752).

45840102 is an abundant number, since it is smaller than the sum of its proper divisors (69189402).

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

45840102 is a wasteful number, since it uses less digits than its factorization.

45840102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 45840102 is about 6770.5318845716. The cubic root of 45840102 is about 357.8891441251.

Adding to 45840102 its reverse (20104854), we get a palindrome (65944956).

The spelling of 45840102 in words is "forty-five million, eight hundred forty thousand, one hundred two".