143400355645 has 8 divisors (see below), whose sum is σ = 172082754360. Its totient is φ = 114718732800.

The previous prime is 143400355643. The next prime is 143400355661. The reversal of 143400355645 is 546553004341.

It can be written as a sum of positive squares in 4 ways, for example, as 58795580484 + 84604775161 = 242478^2 + 290869^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143400355645 - 2¹ = 143400355643 is a prime.

It is a super-2 number, since 2×143400355645² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143400355598 and 143400355607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143400355643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352741 + ... + 641269.

It is an arithmetic number, because the mean of its divisors is an integer number (21510344295).

Almost surely, 2^143400355645 is an apocalyptic number.

It is an amenable number.

143400355645 is a deficient number, since it is larger than the sum of its proper divisors (28682398715).

143400355645 is an equidigital number, since it uses as much as digits as its factorization.

143400355645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387935.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 143400355645 its reverse (546553004341), we get a palindrome (689953359986).

The spelling of 143400355645 in words is "one hundred forty-three billion, four hundred million, three hundred fifty-five thousand, six hundred forty-five".