4353421121145 has 24 divisors (see below), whose sum is σ = 7546164682056. Its totient is φ = 2321752370688.

The previous prime is 4353421121141. The next prime is 4353421121191. The reversal of 4353421121145 is 5411211243534.

4353421121145 is a `hidden beast` number, since 4 + 3 + 534 + 2 + 1 + 1 + 2 + 114 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 636962013801 + 3716459107344 = 798099^2 + 1927812^2 .

It is not a de Polignac number, because 4353421121145 - 2² = 4353421121141 is a prime.

It is a super-2 number, since 2×4353421121145² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4353421121141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26122 + ... + 2950851.

It is an arithmetic number, because the mean of its divisors is an integer number (314423528419).

Almost surely, 2^{4353421121145} is an apocalyptic number.

4353421121145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4353421121145 is a deficient number, since it is larger than the sum of its proper divisors (3192743560911).

4353421121145 is a wasteful number, since it uses less digits than its factorization.

4353421121145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3009481 (or 3009478 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

Adding to 4353421121145 its reverse (5411211243534), we get a palindrome (9764632364679).

The spelling of 4353421121145 in words is "four trillion, three hundred fifty-three billion, four hundred twenty-one million, one hundred twenty-one thousand, one hundred forty-five".