245343431423450 has 12 divisors (see below), whose sum is σ = 456338782447710. Its totient is φ = 98137372569360.

The previous prime is 245343431423369. The next prime is 245343431423527. The reversal of 245343431423450 is 54324134343542.

It can be written as a sum of positive squares in 3 ways, for example, as 115597139095321 + 129746292328129 = 10751611^2 + 11390623^2 .

It is a super-2 number, since 2×245343431423450² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245343431423395 and 245343431423404.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2453434314185 + ... + 2453434314284.

Almost surely, 2^{245343431423450} is an apocalyptic number.

245343431423450 is a deficient number, since it is larger than the sum of its proper divisors (210995351024260).

245343431423450 is a wasteful number, since it uses less digits than its factorization.

245343431423450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4906868628481 (or 4906868628476 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 47.

Adding to 245343431423450 its reverse (54324134343542), we get a palindrome (299667565766992).

The spelling of 245343431423450 in words is "two hundred forty-five trillion, three hundred forty-three billion, four hundred thirty-one million, four hundred twenty-three thousand, four hundred fifty".