45047750 has 32 divisors (see below), whose sum is σ = 92001312. Its totient is φ = 16380000.

The previous prime is 45047747. The next prime is 45047753. The reversal of 45047750 is 5774054.

It is an interprime number because it is at equal distance from previous prime (45047747) and next prime (45047753).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45047753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5441 + ... + 10940.

It is an arithmetic number, because the mean of its divisors is an integer number (2875041).

Almost surely, 2^45047750 is an apocalyptic number.

45047750 is an abundant number, since it is smaller than the sum of its proper divisors (46953562).

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

45047750 is a wasteful number, since it uses less digits than its factorization.

45047750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16409 (or 16399 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 45047750 is about 6711.7620637207. The cubic root of 45047750 is about 355.8150946098.

The spelling of 45047750 in words is "forty-five million, forty-seven thousand, seven hundred fifty".