143425566 has 80 divisors (see below), whose sum is σ = 358324560. Its totient is φ = 42612480.

The previous prime is 143425559. The next prime is 143425567. The reversal of 143425566 is 665524341.

It is a self number, because there is not a number n which added to its sum of digits gives 143425566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143425567) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 50956 + ... + 53696.

It is an arithmetic number, because the mean of its divisors is an integer number (4479057).

Almost surely, 2^143425566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143425566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179162280).

143425566 is an abundant number, since it is smaller than the sum of its proper divisors (214898994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143425566 is a wasteful number, since it uses less digits than its factorization.

143425566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791 (or 2782 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 143425566 is about 11976.0413325940. The cubic root of 143425566 is about 523.4503856889.

It can be divided in two parts, 1434 and 25566, that added together give a cube (27000 = 30³).

The spelling of 143425566 in words is "one hundred forty-three million, four hundred twenty-five thousand, five hundred sixty-six".