45531543542 has 4 divisors (see below), whose sum is σ = 68297315316. Its totient is φ = 22765771770.

The previous prime is 45531543503. The next prime is 45531543569. The reversal of 45531543542 is 24534513554.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 45531543542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11382885884 + ... + 11382885887.

It is an arithmetic number, because the mean of its divisors is an integer number (17074328829).

Almost surely, 2^45531543542 is an apocalyptic number.

45531543542 is a deficient number, since it is larger than the sum of its proper divisors (22765771774).

45531543542 is a wasteful number, since it uses less digits than its factorization.

45531543542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22765771773.

The product of its digits is 720000, while the sum is 41.

The spelling of 45531543542 in words is "forty-five billion, five hundred thirty-one million, five hundred forty-three thousand, five hundred forty-two".