45305020 has 24 divisors (see below), whose sum is σ = 97713504. Its totient is φ = 17631936.

The previous prime is 45304997. The next prime is 45305021. The reversal of 45305020 is 2050354.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45305021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29872 + ... + 31351.

It is an arithmetic number, because the mean of its divisors is an integer number (4071396).

Almost surely, 2^45305020 is an apocalyptic number.

It is an amenable number.

45305020 is an abundant number, since it is smaller than the sum of its proper divisors (52408484).

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

45305020 is a wasteful number, since it uses less digits than its factorization.

45305020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61269 (or 61267 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 45305020 is about 6730.9003855354. The cubic root of 45305020 is about 356.4911685976.

Adding to 45305020 its reverse (2050354), we get a palindrome (47355374).

The spelling of 45305020 in words is "forty-five million, three hundred five thousand, twenty".