2245345441021 has 8 divisors (see below), whose sum is σ = 2343402607104. Its totient is φ = 2147324395920.

The previous prime is 2245345440983. The next prime is 2245345441033. The reversal of 2245345441021 is 1201445435422.

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

It is a cyclic number.

It is not a de Polignac number, because 2245345441021 - 2¹⁵ = 2245345408253 is a prime.

It is a super-2 number, since 2×2245345441021² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245345441121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8903170 + ... + 9151891.

It is an arithmetic number, because the mean of its divisors is an integer number (292925325888).

Almost surely, 2^{2245345441021} is an apocalyptic number.

It is an amenable number.

2245345441021 is a deficient number, since it is larger than the sum of its proper divisors (98057166083).

2245345441021 is a wasteful number, since it uses less digits than its factorization.

2245345441021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18060491.

The product of its (nonzero) digits is 153600, while the sum is 37.

The spelling of 2245345441021 in words is "two trillion, two hundred forty-five billion, three hundred forty-five million, four hundred forty-one thousand, twenty-one".