45387750 has 64 divisors (see below), whose sum is σ = 114978240. Its totient is φ = 11923200.

The previous prime is 45387733. The next prime is 45387767. The reversal of 45387750 is 5778354.

It is an interprime number because it is at equal distance from previous prime (45387733) and next prime (45387767).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45387699 and 45387708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54336 + ... + 55164.

It is an arithmetic number, because the mean of its divisors is an integer number (1796535).

Almost surely, 2^45387750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45387750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57489120).

45387750 is an abundant number, since it is smaller than the sum of its proper divisors (69590490).

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

45387750 is a wasteful number, since it uses less digits than its factorization.

45387750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 45387750 is about 6737.0431199451. The cubic root of 45387750 is about 356.7080288984.

The spelling of 45387750 in words is "forty-five million, three hundred eighty-seven thousand, seven hundred fifty".