45346140 has 288 divisors, whose sum is σ = 174545280. Its totient is φ = 9289728.

The previous prime is 45346139. The next prime is 45346151. The reversal of 45346140 is 4164354.

45346140 is a `hidden beast` number, since 45 + 3 + 4 + 614 + 0 = 666.

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, 621144 + ... + 621216.

It is an arithmetic number, because the mean of its divisors is an integer number (606060).

Almost surely, 2^45346140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45346140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87272640).

45346140 is an abundant number, since it is smaller than the sum of its proper divisors (129199140).

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

45346140 is a wasteful number, since it uses less digits than its factorization.

45346140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 45346140 is about 6733.9542617989. The cubic root of 45346140 is about 356.5989894980.

The spelling of 45346140 in words is "forty-five million, three hundred forty-six thousand, one hundred forty".