45443750 has 48 divisors (see below), whose sum is σ = 93087792. Its totient is φ = 16500000.

The previous prime is 45443743. The next prime is 45443753. The reversal of 45443750 is 5734454.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45443753) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68420 + ... + 69080.

It is an arithmetic number, because the mean of its divisors is an integer number (1939329).

Almost surely, 2^45443750 is an apocalyptic number.

45443750 is an abundant number, since it is smaller than the sum of its proper divisors (47644042).

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

45443750 is an equidigital number, since it uses as much as digits as its factorization.

45443750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 45443750 is about 6741.1979647537. The cubic root of 45443750 is about 356.8546722830.

The spelling of 45443750 in words is "forty-five million, four hundred forty-three thousand, seven hundred fifty".