45451642847830 has 8 divisors (see below), whose sum is σ = 81812957126112. Its totient is φ = 18180657139128.

The previous prime is 45451642847783. The next prime is 45451642847851. The reversal of 45451642847830 is 3874824615454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2272582142382 + ... + 2272582142401.

It is an arithmetic number, because the mean of its divisors is an integer number (10226619640764).

Almost surely, 2^{45451642847830} is an apocalyptic number.

45451642847830 is a deficient number, since it is larger than the sum of its proper divisors (36361314278282).

45451642847830 is a wasteful number, since it uses less digits than its factorization.

45451642847830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545164284790.

The product of its (nonzero) digits is 103219200, while the sum is 61.

The spelling of 45451642847830 in words is "forty-five trillion, four hundred fifty-one billion, six hundred forty-two million, eight hundred forty-seven thousand, eight hundred thirty".