45505152 has 384 divisors, whose sum is σ = 178214400. Its totient is φ = 11197440.

The previous prime is 45505139. The next prime is 45505181. The reversal of 45505152 is 25150554.

45505152 is a `hidden beast` number, since 4 + 5 + 505 + 152 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2394999 + ... + 2395017.

It is an arithmetic number, because the mean of its divisors is an integer number (464100).

Almost surely, 2^45505152 is an apocalyptic number.

45505152 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45505152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89107200).

45505152 is an abundant number, since it is smaller than the sum of its proper divisors (132709248).

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

45505152 is a wasteful number, since it uses less digits than its factorization.

45505152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 45505152 is about 6745.7506624541. The cubic root of 45505152 is about 357.0153231189.

The spelling of 45505152 in words is "forty-five million, five hundred five thousand, one hundred fifty-two".