402462313435145 has 4 divisors (see below), whose sum is σ = 482954776122180. Its totient is φ = 321969850748112.

The previous prime is 402462313435111. The next prime is 402462313435213. The reversal of 402462313435145 is 541534313264204.

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 304618483742329 + 97843829692816 = 17453323^2 + 9891604^2 .

It is a cyclic number.

It is not a de Polignac number, because 402462313435145 - 2⁸ = 402462313434889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402462313435145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40246231343510 + ... + 40246231343519.

It is an arithmetic number, because the mean of its divisors is an integer number (120738694030545).

Almost surely, 2^{402462313435145} is an apocalyptic number.

It is an amenable number.

402462313435145 is a deficient number, since it is larger than the sum of its proper divisors (80492462687035).

402462313435145 is an equidigital number, since it uses as much as digits as its factorization.

402462313435145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80492462687034.

The product of its (nonzero) digits is 4147200, while the sum is 47.

Adding to 402462313435145 its reverse (541534313264204), we get a palindrome (943996626699349).

The spelling of 402462313435145 in words is "four hundred two trillion, four hundred sixty-two billion, three hundred thirteen million, four hundred thirty-five thousand, one hundred forty-five".