143402329225 has 27 divisors (see below), whose sum is σ = 181364181663. Its totient is φ = 112478533440.

The previous prime is 143402329153. The next prime is 143402329297. The reversal of 143402329225 is 522923204341.

The square root of 143402329225 is 378685.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (143402329153) and next prime (143402329297).

It can be written as a sum of positive squares in 13 ways, for example, as 126584389369 + 16817939856 = 355787^2 + 129684^2 .

It is not a de Polignac number, because 143402329225 - 2³¹ = 141254845577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 100350811 + ... + 100352239.

Almost surely, 2^143402329225 is an apocalyptic number.

143402329225 is the 378685-th square number.

143402329225 is the 189343-rd centered octagonal number.

It is an amenable number.

143402329225 is a deficient number, since it is larger than the sum of its proper divisors (37961852438).

143402329225 is an frugal number, since it uses more digits than its factorization.

143402329225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2974 (or 1487 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 143402329225 in words is "one hundred forty-three billion, four hundred two million, three hundred twenty-nine thousand, two hundred twenty-five".