45749550 has 192 divisors, whose sum is σ = 150418944. Its totient is φ = 8908800.

The previous prime is 45749537. The next prime is 45749579. The reversal of 45749550 is 5594754.

45749550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45749499 and 45749508.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 196234 + ... + 196466.

It is an arithmetic number, because the mean of its divisors is an integer number (783432).

Almost surely, 2^45749550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45749550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75209472).

45749550 is an abundant number, since it is smaller than the sum of its proper divisors (104669394).

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

45749550 is a wasteful number, since it uses less digits than its factorization.

45749550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 45749550 is about 6763.8413641953. The cubic root of 45749550 is about 357.6533321105.

The spelling of 45749550 in words is "forty-five million, seven hundred forty-nine thousand, five hundred fifty".