45352170 has 32 divisors (see below), whose sum is σ = 120939840. Its totient is φ = 12093840.

The previous prime is 45352147. The next prime is 45352171. The reversal of 45352170 is 7125354.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (45352171) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 83716 + ... + 84255.

It is an arithmetic number, because the mean of its divisors is an integer number (3779370).

Almost surely, 2^45352170 is an apocalyptic number.

45352170 is an abundant number, since it is smaller than the sum of its proper divisors (75587670).

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

45352170 is a wasteful number, since it uses less digits than its factorization.

45352170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167987 (or 167981 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 45352170 is about 6734.4019779042. The cubic root of 45352170 is about 356.6147953020.

The spelling of 45352170 in words is "forty-five million, three hundred fifty-two thousand, one hundred seventy".