45140532 has 12 divisors (see below), whose sum is σ = 105327936. Its totient is φ = 15046840.

The previous prime is 45140519. The next prime is 45140573. The reversal of 45140532 is 23504154.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1880844 + ... + 1880867.

It is an arithmetic number, because the mean of its divisors is an integer number (8777328).

Almost surely, 2^45140532 is an apocalyptic number.

It is an amenable number.

45140532 is an abundant number, since it is smaller than the sum of its proper divisors (60187404).

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

45140532 is a wasteful number, since it uses less digits than its factorization.

45140532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3761718 (or 3761716 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 45140532 is about 6718.6704041797. The cubic root of 45140532 is about 356.0592103678.

Adding to 45140532 its reverse (23504154), we get a palindrome (68644686).

The spelling of 45140532 in words is "forty-five million, one hundred forty thousand, five hundred thirty-two".