45213455280642 has 32 divisors (see below), whose sum is σ = 98663624389440. Its totient is φ = 13698812944320.

The previous prime is 45213455280641. The next prime is 45213455280649. The reversal of 45213455280642 is 24608255431254.

It is a super-2 number, since 2×45213455280642² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45213455280641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55444917 + ... + 56254472.

It is an arithmetic number, because the mean of its divisors is an integer number (3083238262170).

Almost surely, 2^{45213455280642} is an apocalyptic number.

45213455280642 is an abundant number, since it is smaller than the sum of its proper divisors (53450169108798).

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

45213455280642 is a wasteful number, since it uses less digits than its factorization.

45213455280642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111705538.

The product of its (nonzero) digits is 9216000, while the sum is 51.

The spelling of 45213455280642 in words is "forty-five trillion, two hundred thirteen billion, four hundred fifty-five million, two hundred eighty thousand, six hundred forty-two".