13451435145 has 24 divisors (see below), whose sum is σ = 23348761800. Its totient is φ = 7163963136.

The previous prime is 13451435131. The next prime is 13451435201. The reversal of 13451435145 is 54153415431.

13451435145 is a `hidden beast` number, since 1 + 34 + 51 + 435 + 145 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 834978816 + 12616456329 = 28896^2 + 112323^2 .

It is not a de Polignac number, because 13451435145 - 2⁷ = 13451435017 is a prime.

It is a super-2 number, since 2×13451435145² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178900 + ... + 242709.

It is an arithmetic number, because the mean of its divisors is an integer number (972865075).

Almost surely, 2^13451435145 is an apocalyptic number.

13451435145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13451435145 is a deficient number, since it is larger than the sum of its proper divisors (9897326655).

13451435145 is a wasteful number, since it uses less digits than its factorization.

13451435145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422329 (or 422326 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The spelling of 13451435145 in words is "thirteen billion, four hundred fifty-one million, four hundred thirty-five thousand, one hundred forty-five".