143326602225 has 135 divisors (see below), whose sum is σ = 272783211547. Its totient is φ = 74396495520.

The previous prime is 143326602203. The next prime is 143326602227. The reversal of 143326602225 is 522206623341.

The square root of 143326602225 is 378585.

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

143326602225 is a `hidden beast` number, since 1 + 4 + 3 + 3 + 26 + 602 + 2 + 25 = 666.

It can be written as a sum of positive squares in only one way, i.e., 51597576801 + 91729025424 = 227151^2 + 302868^2 .

It is a tau number, because it is divible by the number of its divisors (135).

It is not a de Polignac number, because 143326602225 - 2²¹ = 143324505073 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143326602225.

It is not an unprimeable number, because it can be changed into a prime (143326602227) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 800707186 + ... + 800707364.

Almost surely, 2^143326602225 is an apocalyptic number.

143326602225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

143326602225 is the 378585-th square number.

143326602225 is the 189293-rd centered octagonal number.

It is an amenable number.

143326602225 is a deficient number, since it is larger than the sum of its proper divisors (129456609322).

143326602225 is an frugal number, since it uses more digits than its factorization.

143326602225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Multiplying 143326602225 by its sum of digits (36), we get a square (5159757680100 = 2271510²).

The spelling of 143326602225 in words is "one hundred forty-three billion, three hundred twenty-six million, six hundred two thousand, two hundred twenty-five".