45120011647242 has 64 divisors (see below), whose sum is σ = 108661746585600. Its totient is φ = 12201424476480.

The previous prime is 45120011647177. The next prime is 45120011647301. The reversal of 45120011647242 is 24274611002154.

It is a self number, because there is not a number n which added to its sum of digits gives 45120011647242.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25798642 + ... + 27491997.

It is an arithmetic number, because the mean of its divisors is an integer number (1697839790400).

Almost surely, 2^{45120011647242} is an apocalyptic number.

45120011647242 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

45120011647242 is an abundant number, since it is smaller than the sum of its proper divisors (63541734938358).

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

45120011647242 is a wasteful number, since it uses less digits than its factorization.

45120011647242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53291731.

The product of its (nonzero) digits is 107520, while the sum is 39.

Adding to 45120011647242 its reverse (24274611002154), we get a palindrome (69394622649396).

The spelling of 45120011647242 in words is "forty-five trillion, one hundred twenty billion, eleven million, six hundred forty-seven thousand, two hundred forty-two".