45197532 has 36 divisors (see below), whose sum is σ = 114526776. Its totient is φ = 15029280.

The previous prime is 45197531. The next prime is 45197557. The reversal of 45197532 is 23579154.

45197532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45197531) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 16398 + ... + 18954.

Almost surely, 2^45197532 is an apocalyptic number.

It is an amenable number.

45197532 is an abundant number, since it is smaller than the sum of its proper divisors (69329244).

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

45197532 is a wasteful number, since it uses less digits than its factorization.

45197532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058 (or 3053 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 45197532 is about 6722.9109766529. The cubic root of 45197532 is about 356.2090154144.

The spelling of 45197532 in words is "forty-five million, one hundred ninety-seven thousand, five hundred thirty-two".