45512542 has 16 divisors (see below), whose sum is σ = 72349200. Its totient is φ = 21434560.

The previous prime is 45512539. The next prime is 45512549. The reversal of 45512542 is 24521554.

It is a self number, because there is not a number n which added to its sum of digits gives 45512542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45512549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7192 + ... + 11947.

It is an arithmetic number, because the mean of its divisors is an integer number (4521825).

Almost surely, 2^45512542 is an apocalyptic number.

45512542 is a deficient number, since it is larger than the sum of its proper divisors (26836658).

45512542 is a wasteful number, since it uses less digits than its factorization.

45512542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19211.

The product of its digits is 8000, while the sum is 28.

The square root of 45512542 is about 6746.2983924520. The cubic root of 45512542 is about 357.0346484063.

The spelling of 45512542 in words is "forty-five million, five hundred twelve thousand, five hundred forty-two".