45747450 has 192 divisors, whose sum is σ = 148561920. Its totient is φ = 10134720.

The previous prime is 45747433. The next prime is 45747463. The reversal of 45747450 is 5474754.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 444099 + ... + 444201.

It is an arithmetic number, because the mean of its divisors is an integer number (773760).

Almost surely, 2^45747450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45747450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74280960).

45747450 is an abundant number, since it is smaller than the sum of its proper divisors (102814470).

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

45747450 is a wasteful number, since it uses less digits than its factorization.

45747450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 45747450 is about 6763.6861251835. The cubic root of 45747450 is about 357.6478596815.

The spelling of 45747450 in words is "forty-five million, seven hundred forty-seven thousand, four hundred fifty".