45207500 has 90 divisors (see below), whose sum is σ = 108049788. Its totient is φ = 16536000.

The previous prime is 45207497. The next prime is 45207509. The reversal of 45207500 is 570254.

It is not an unprimeable number, because it can be changed into a prime (45207509) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 422447 + ... + 422553.

Almost surely, 2^45207500 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 45207500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54024894).

45207500 is an abundant number, since it is smaller than the sum of its proper divisors (62842288).

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

45207500 is a wasteful number, since it uses less digits than its factorization.

45207500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 45207500 is about 6723.6522813126. The cubic root of 45207500 is about 356.2351999597.

Adding to 45207500 its reverse (570254), we get a palindrome (45777754).

The spelling of 45207500 in words is "forty-five million, two hundred seven thousand, five hundred".