45251638182458 has 16 divisors (see below), whose sum is σ = 68479335418536. Its totient is φ = 22425200017920.

The previous prime is 45251638182451. The next prime is 45251638182461. The reversal of 45251638182458 is 85428183615254.

It can be written as a sum of positive squares in 4 ways, for example, as 27350421036169 + 17901217146289 = 5229763^2 + 4230983^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45251638182458.

It is not an unprimeable number, because it can be changed into a prime (45251638182451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11482328 + ... + 14911308.

Almost surely, 2^{45251638182458} is an apocalyptic number.

45251638182458 is a deficient number, since it is larger than the sum of its proper divisors (23227697236078).

45251638182458 is a wasteful number, since it uses less digits than its factorization.

45251638182458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3487489.

The product of its digits is 73728000, while the sum is 62.

The spelling of 45251638182458 in words is "forty-five trillion, two hundred fifty-one billion, six hundred thirty-eight million, one hundred eighty-two thousand, four hundred fifty-eight".