45194781342 has 16 divisors (see below), whose sum is σ = 90708963840. Its totient is φ = 15011693592.

The previous prime is 45194781341. The next prime is 45194781391. The reversal of 45194781342 is 24318749154.

It is a junction number, because it is equal to n+sod(n) for n = 45194781291 and 45194781300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45194781341) 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, 13306542 + ... + 13309937.

It is an arithmetic number, because the mean of its divisors is an integer number (5669310240).

Almost surely, 2^45194781342 is an apocalyptic number.

45194781342 is an abundant number, since it is smaller than the sum of its proper divisors (45514182498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45194781342 is a wasteful number, since it uses less digits than its factorization.

45194781342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26616767.

The product of its digits is 967680, while the sum is 48.

The spelling of 45194781342 in words is "forty-five billion, one hundred ninety-four million, seven hundred eighty-one thousand, three hundred forty-two".