45750000 has 140 divisors (see below), whose sum is σ = 150154328. Its totient is φ = 12000000.

The previous prime is 45749983. The next prime is 45750007. The reversal of 45750000 is 5754.

45750000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45750007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 749970 + ... + 750030.

Almost surely, 2^45750000 is an apocalyptic number.

45750000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45750000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75077164).

45750000 is an abundant number, since it is smaller than the sum of its proper divisors (104404328).

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

45750000 is an frugal number, since it uses more digits than its factorization.

45750000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 45750000 is about 6763.8746292343. The cubic root of 45750000 is about 357.6545047520.

Adding to 45750000 its reverse (5754), we get a palindrome (45755754).

The spelling of 45750000 in words is "forty-five million, seven hundred fifty thousand".