354445222544453 has 4 divisors (see below), whose sum is σ = 366667471597740. Its totient is φ = 342222973491168.

The previous prime is 354445222544423. The next prime is 354445222544513.

It is a happy number.

354445222544453 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 287250364165444 + 67194858379009 = 16948462^2 + 8197247^2 .

It is a cyclic number.

It is not a de Polignac number, because 354445222544453 - 2⁴² = 350047176033349 is a prime.

It is a super-2 number, since 2×354445222544453² (a number of 30 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 (354445222544423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6111124526600 + ... + 6111124526657.

It is an arithmetic number, because the mean of its divisors is an integer number (91666867899435).

Almost surely, 2^{354445222544453} is an apocalyptic number.

It is an amenable number.

354445222544453 is a deficient number, since it is larger than the sum of its proper divisors (12222249053287).

354445222544453 is a wasteful number, since it uses less digits than its factorization.

354445222544453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12222249053286.

The product of its digits is 184320000, while the sum is 56.

The spelling of 354445222544453 in words is "three hundred fifty-four trillion, four hundred forty-five billion, two hundred twenty-two million, five hundred forty-four thousand, four hundred fifty-three".