45545251042 has 8 divisors (see below), whose sum is σ = 70673665500. Its totient is φ = 21987362544.

The previous prime is 45545251033. The next prime is 45545251049. The reversal of 45545251042 is 24015254554.

It can be written as a sum of positive squares in 2 ways, for example, as 41086884601 + 4458366441 = 202699^2 + 66771^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 45545250992 and 45545251010.

It is not an unprimeable number, because it can be changed into a prime (45545251049) 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 3 ways as a sum of consecutive naturals, for example, 392631417 + ... + 392631532.

Almost surely, 2^45545251042 is an apocalyptic number.

45545251042 is a deficient number, since it is larger than the sum of its proper divisors (25128414458).

45545251042 is a wasteful number, since it uses less digits than its factorization.

45545251042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785262980.

The product of its (nonzero) digits is 160000, while the sum is 37.

The spelling of 45545251042 in words is "forty-five billion, five hundred forty-five million, two hundred fifty-one thousand, forty-two".