245354043402 has 24 divisors (see below), whose sum is σ = 572492768484. Its totient is φ = 75493551744.

The previous prime is 245354043367. The next prime is 245354043427. The reversal of 245354043402 is 204340453542.

245354043402 is a `hidden beast` number, since 2 + 4 + 535 + 40 + 43 + 40 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 190016656281 + 55337387121 = 435909^2 + 235239^2 .

It is a super-2 number, since 2×245354043402² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 524260543 + ... + 524261010.

Almost surely, 2^245354043402 is an apocalyptic number.

245354043402 is an abundant number, since it is smaller than the sum of its proper divisors (327138725082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245354043402 is a wasteful number, since it uses less digits than its factorization.

245354043402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048521574 (or 1048521571 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

Adding to 245354043402 its reverse (204340453542), we get a palindrome (449694496944).

It can be divided in two parts, 2453540 and 43402, that added together give a palindrome (2496942).

The spelling of 245354043402 in words is "two hundred forty-five billion, three hundred fifty-four million, forty-three thousand, four hundred two".