1354464216225 has 18 divisors (see below), whose sum is σ = 2425995907686. Its totient is φ = 722380915200.

The previous prime is 1354464216199. The next prime is 1354464216227. The reversal of 1354464216225 is 5226124644531.

It is a happy number.

1354464216225 is a `hidden beast` number, since 1 + 3 + 5 + 4 + 464 + 2 + 162 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 209940825249 + 1144523390976 = 458193^2 + 1069824^2 .

It is not a de Polignac number, because 1354464216225 - 2¹³ = 1354464208033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1354464216227) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3009920256 + ... + 3009920705.

It is an arithmetic number, because the mean of its divisors is an integer number (134777550427).

Almost surely, 2^{1354464216225} is an apocalyptic number.

1354464216225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1354464216225 is a deficient number, since it is larger than the sum of its proper divisors (1071531691461).

1354464216225 is a wasteful number, since it uses less digits than its factorization.

1354464216225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6019840977 (or 6019840969 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 45.

The spelling of 1354464216225 in words is "one trillion, three hundred fifty-four billion, four hundred sixty-four million, two hundred sixteen thousand, two hundred twenty-five".