45136020 has 144 divisors (see below), whose sum is σ = 142349760. Its totient is φ = 10653696.

The previous prime is 45136009. The next prime is 45136073. The reversal of 45136020 is 2063154.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 329392 + ... + 329528.

It is an arithmetic number, because the mean of its divisors is an integer number (988540).

Almost surely, 2^45136020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45136020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71174880).

45136020 is an abundant number, since it is smaller than the sum of its proper divisors (97213740).

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

45136020 is a wasteful number, since it uses less digits than its factorization.

45136020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 45136020 is about 6718.3346150664. The cubic root of 45136020 is about 356.0473467306.

Adding to 45136020 its reverse (2063154), we get a palindrome (47199174).

The spelling of 45136020 in words is "forty-five million, one hundred thirty-six thousand, twenty".