143462925225 has 135 divisors (see below), whose sum is σ = 281100063783. Its totient is φ = 72322904160.

The previous prime is 143462925191. The next prime is 143462925233. The reversal of 143462925225 is 522529264341.

The square root of 143462925225 is 378765.

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

143462925225 is a `hidden beast` number, since 1 + 4 + 34 + 6 + 2 + 92 + 522 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 51646653081 + 91816272144 = 227259^2 + 303012^2 .

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

It is not a de Polignac number, because 143462925225 - 2⁹ = 143462924713 is a prime.

It is a super-2 number, since 2×143462925225² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 134 ways as a sum of consecutive naturals, for example, 323843854 + ... + 323844296.

Almost surely, 2^143462925225 is an apocalyptic number.

143462925225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

143462925225 is the 378765-th square number.

143462925225 is the 189383-rd centered octagonal number.

It is an amenable number.

143462925225 is a deficient number, since it is larger than the sum of its proper divisors (137637138558).

143462925225 is an frugal number, since it uses more digits than its factorization.

143462925225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 470 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 143462925225 in words is "one hundred forty-three billion, four hundred sixty-two million, nine hundred twenty-five thousand, two hundred twenty-five".